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Finding the Fourth Proportional to 488,587.70, 732,881.55 and 404,606.90

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Solution

The fourth proportional to 488,587.70, 732,881.55 and 404,606.90 is: 606,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,587.70 : 732,881.55 = 404,606.90 : x
  2. Step 2: Convert to fraction form
    488,587.70/732,881.55 = 404,606.90/x
  3. Step 3: Cross multiply
    488,587.70x = 732,881.55 × 404,606.90
  4. Step 4: Simplify right side
    488,587.70x = 296,528,932,012.70
  5. Step 5: Solve for x
    x = 296,528,932,012.70/488,587.70
  6. Step 6: Final answer
    x = 606,910.35

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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.