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Finding the Fourth Proportional to 607,114.70, 910,672.05 and 489,016.70

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Solution

The fourth proportional to 607,114.70, 910,672.05 and 489,016.70 is: 733,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,114.70 : 910,672.05 = 489,016.70 : x
  2. Step 2: Convert to fraction form
    607,114.70/910,672.05 = 489,016.70/x
  3. Step 3: Cross multiply
    607,114.70x = 910,672.05 × 489,016.70
  4. Step 4: Simplify right side
    607,114.70x = 445,333,840,673.24
  5. Step 5: Solve for x
    x = 445,333,840,673.24/607,114.70
  6. Step 6: Final answer
    x = 733,525.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.