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Finding the Fourth Proportional to 524,049.20, 786,665.10 and 346,902.20

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Solution

The fourth proportional to 524,049.20, 786,665.10 and 346,902.20 is: 520,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,049.20 : 786,665.10 = 346,902.20 : x
  2. Step 2: Convert to fraction form
    524,049.20/786,665.10 = 346,902.20/x
  3. Step 3: Cross multiply
    524,049.20x = 786,665.10 × 346,902.20
  4. Step 4: Simplify right side
    524,049.20x = 272,895,853,853.22
  5. Step 5: Solve for x
    x = 272,895,853,853.22/524,049.20
  6. Step 6: Final answer
    x = 520,744.72

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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.