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Finding the Fourth Proportional to 562,000.20, 843,000.30 and 497,046.30

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Solution

The fourth proportional to 562,000.20, 843,000.30 and 497,046.30 is: 745,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,000.20 : 843,000.30 = 497,046.30 : x
  2. Step 2: Convert to fraction form
    562,000.20/843,000.30 = 497,046.30/x
  3. Step 3: Cross multiply
    562,000.20x = 843,000.30 × 497,046.30
  4. Step 4: Simplify right side
    562,000.20x = 419,010,180,013.89
  5. Step 5: Solve for x
    x = 419,010,180,013.89/562,000.20
  6. Step 6: Final answer
    x = 745,569.45

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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.