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Finding the Fourth Proportional to 607,228.38, 910,840.65 and 163,996.38

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Solution

The fourth proportional to 607,228.38, 910,840.65 and 163,996.38 is: 245,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,228.38 : 910,840.65 = 163,996.38 : x
  2. Step 2: Convert to fraction form
    607,228.38/910,840.65 = 163,996.38/x
  3. Step 3: Cross multiply
    607,228.38x = 910,840.65 × 163,996.38
  4. Step 4: Simplify right side
    607,228.38x = 149,374,569,356.85
  5. Step 5: Solve for x
    x = 149,374,569,356.85/607,228.38
  6. Step 6: Final answer
    x = 245,994.05

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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.