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Finding the Fourth Proportional to 436,909.64, 654,314.70 and 249,352.52

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Solution

The fourth proportional to 436,909.64, 654,314.70 and 249,352.52 is: 373,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,909.64 : 654,314.70 = 249,352.52 : x
  2. Step 2: Convert to fraction form
    436,909.64/654,314.70 = 249,352.52/x
  3. Step 3: Cross multiply
    436,909.64x = 654,314.70 × 249,352.52
  4. Step 4: Simplify right side
    436,909.64x = 163,155,019,318.04
  5. Step 5: Solve for x
    x = 163,155,019,318.04/436,909.64
  6. Step 6: Final answer
    x = 373,429.66

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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.