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Finding the Fourth Proportional to 607,135.20, 910,702.80 and 233,167.20

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Solution

The fourth proportional to 607,135.20, 910,702.80 and 233,167.20 is: 349,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,135.20 : 910,702.80 = 233,167.20 : x
  2. Step 2: Convert to fraction form
    607,135.20/910,702.80 = 233,167.20/x
  3. Step 3: Cross multiply
    607,135.20x = 910,702.80 × 233,167.20
  4. Step 4: Simplify right side
    607,135.20x = 212,346,021,908.16
  5. Step 5: Solve for x
    x = 212,346,021,908.16/607,135.20
  6. Step 6: Final answer
    x = 349,750.80

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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.