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Finding the Fourth Proportional to 585,092.10, 877,638.15 and 490,613.70

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Solution

The fourth proportional to 585,092.10, 877,638.15 and 490,613.70 is: 735,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,092.10 : 877,638.15 = 490,613.70 : x
  2. Step 2: Convert to fraction form
    585,092.10/877,638.15 = 490,613.70/x
  3. Step 3: Cross multiply
    585,092.10x = 877,638.15 × 490,613.70
  4. Step 4: Simplify right side
    585,092.10x = 430,581,300,032.66
  5. Step 5: Solve for x
    x = 430,581,300,032.66/585,092.10
  6. Step 6: Final answer
    x = 735,920.55

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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.