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Finding the Fourth Proportional to 482,805.40, 724,208.10 and 202,293.40

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Solution

The fourth proportional to 482,805.40, 724,208.10 and 202,293.40 is: 303,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,805.40 : 724,208.10 = 202,293.40 : x
  2. Step 2: Convert to fraction form
    482,805.40/724,208.10 = 202,293.40/x
  3. Step 3: Cross multiply
    482,805.40x = 724,208.10 × 202,293.40
  4. Step 4: Simplify right side
    482,805.40x = 146,502,518,856.54
  5. Step 5: Solve for x
    x = 146,502,518,856.54/482,805.40
  6. Step 6: Final answer
    x = 303,440.10

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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.