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Finding the Fourth Proportional to 709,776.52, 1,063,778.74 and 354,892.03

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Solution

The fourth proportional to 709,776.52, 1,063,778.74 and 354,892.03 is: 531,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,776.52 : 1,063,778.74 = 354,892.03 : x
  2. Step 2: Convert to fraction form
    709,776.52/1,063,778.74 = 354,892.03/x
  3. Step 3: Cross multiply
    709,776.52x = 1,063,778.74 × 354,892.03
  4. Step 4: Simplify right side
    709,776.52x = 377,526,592,962.77
  5. Step 5: Solve for x
    x = 377,526,592,962.77/709,776.52
  6. Step 6: Final answer
    x = 531,895.02

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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.