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Finding the Fourth Proportional to 546,864.30, 820,296.45 and 497,000.70

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Solution

The fourth proportional to 546,864.30, 820,296.45 and 497,000.70 is: 745,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,864.30 : 820,296.45 = 497,000.70 : x
  2. Step 2: Convert to fraction form
    546,864.30/820,296.45 = 497,000.70/x
  3. Step 3: Cross multiply
    546,864.30x = 820,296.45 × 497,000.70
  4. Step 4: Simplify right side
    546,864.30x = 407,687,909,857.52
  5. Step 5: Solve for x
    x = 407,687,909,857.52/546,864.30
  6. Step 6: Final answer
    x = 745,501.05

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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.