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Finding the Fourth Proportional to 549,480.60, 758,318.22 and 359,007.48

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Solution

The fourth proportional to 549,480.60, 758,318.22 and 359,007.48 is: 495,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,480.60 : 758,318.22 = 359,007.48 : x
  2. Step 2: Convert to fraction form
    549,480.60/758,318.22 = 359,007.48/x
  3. Step 3: Cross multiply
    549,480.60x = 758,318.22 × 359,007.48
  4. Step 4: Simplify right side
    549,480.60x = 272,241,913,200.29
  5. Step 5: Solve for x
    x = 272,241,913,200.29/549,480.60
  6. Step 6: Final answer
    x = 495,453.18

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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.