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Finding the Fourth Proportional to 488,397.70, 732,596.55 and 204,039.10

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Solution

The fourth proportional to 488,397.70, 732,596.55 and 204,039.10 is: 306,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,397.70 : 732,596.55 = 204,039.10 : x
  2. Step 2: Convert to fraction form
    488,397.70/732,596.55 = 204,039.10/x
  3. Step 3: Cross multiply
    488,397.70x = 732,596.55 × 204,039.10
  4. Step 4: Simplify right side
    488,397.70x = 149,478,340,725.11
  5. Step 5: Solve for x
    x = 149,478,340,725.11/488,397.70
  6. Step 6: Final answer
    x = 306,058.65

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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.