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Finding the Fourth Proportional to 549,257.04, 825,265.92 and 349,666.56

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Solution

The fourth proportional to 549,257.04, 825,265.92 and 349,666.56 is: 525,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,257.04 : 825,265.92 = 349,666.56 : x
  2. Step 2: Convert to fraction form
    549,257.04/825,265.92 = 349,666.56/x
  3. Step 3: Cross multiply
    549,257.04x = 825,265.92 × 349,666.56
  4. Step 4: Simplify right side
    549,257.04x = 288,567,895,331.64
  5. Step 5: Solve for x
    x = 288,567,895,331.64/549,257.04
  6. Step 6: Final answer
    x = 525,378.60

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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.