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Finding the Fourth Proportional to 527,589.03, 728,323.92 and 353,459.07

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Solution

The fourth proportional to 527,589.03, 728,323.92 and 353,459.07 is: 487,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,589.03 : 728,323.92 = 353,459.07 : x
  2. Step 2: Convert to fraction form
    527,589.03/728,323.92 = 353,459.07/x
  3. Step 3: Cross multiply
    527,589.03x = 728,323.92 × 353,459.07
  4. Step 4: Simplify right side
    527,589.03x = 257,432,695,421.95
  5. Step 5: Solve for x
    x = 257,432,695,421.95/527,589.03
  6. Step 6: Final answer
    x = 487,941.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.