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Finding the Fourth Proportional to 482,805.40, 724,985.70 and 364,610.20

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Solution

The fourth proportional to 482,805.40, 724,985.70 and 364,610.20 is: 547,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,805.40 : 724,985.70 = 364,610.20 : x
  2. Step 2: Convert to fraction form
    482,805.40/724,985.70 = 364,610.20/x
  3. Step 3: Cross multiply
    482,805.40x = 724,985.70 × 364,610.20
  4. Step 4: Simplify right side
    482,805.40x = 264,337,181,074.14
  5. Step 5: Solve for x
    x = 264,337,181,074.14/482,805.40
  6. Step 6: Final answer
    x = 547,502.54

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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.