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Finding the Fourth Proportional to 478,347.96, 716,193.18 and 240,970.92

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Solution

The fourth proportional to 478,347.96, 716,193.18 and 240,970.92 is: 360,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,347.96 : 716,193.18 = 240,970.92 : x
  2. Step 2: Convert to fraction form
    478,347.96/716,193.18 = 240,970.92/x
  3. Step 3: Cross multiply
    478,347.96x = 716,193.18 × 240,970.92
  4. Step 4: Simplify right side
    478,347.96x = 172,581,729,482.33
  5. Step 5: Solve for x
    x = 172,581,729,482.33/478,347.96
  6. Step 6: Final answer
    x = 360,787.01

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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.