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Finding the Fourth Proportional to 584,854.29, 875,285.28 and 490,191.30

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Solution

The fourth proportional to 584,854.29, 875,285.28 and 490,191.30 is: 733,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,854.29 : 875,285.28 = 490,191.30 : x
  2. Step 2: Convert to fraction form
    584,854.29/875,285.28 = 490,191.30/x
  3. Step 3: Cross multiply
    584,854.29x = 875,285.28 × 490,191.30
  4. Step 4: Simplify right side
    584,854.29x = 429,057,229,274.06
  5. Step 5: Solve for x
    x = 429,057,229,274.06/584,854.29
  6. Step 6: Final answer
    x = 733,613.89

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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.