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Finding the Fourth Proportional to 562,013.20, 843,019.80 and 502,964.20

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Solution

The fourth proportional to 562,013.20, 843,019.80 and 502,964.20 is: 754,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,013.20 : 843,019.80 = 502,964.20 : x
  2. Step 2: Convert to fraction form
    562,013.20/843,019.80 = 502,964.20/x
  3. Step 3: Cross multiply
    562,013.20x = 843,019.80 × 502,964.20
  4. Step 4: Simplify right side
    562,013.20x = 424,008,779,291.16
  5. Step 5: Solve for x
    x = 424,008,779,291.16/562,013.20
  6. Step 6: Final answer
    x = 754,446.30

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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.