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Finding the Fourth Proportional to 315,551.60, 435,463.58 and 179,595.90

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Solution

The fourth proportional to 315,551.60, 435,463.58 and 179,595.90 is: 247,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,551.60 : 435,463.58 = 179,595.90 : x
  2. Step 2: Convert to fraction form
    315,551.60/435,463.58 = 179,595.90/x
  3. Step 3: Cross multiply
    315,551.60x = 435,463.58 × 179,595.90
  4. Step 4: Simplify right side
    315,551.60x = 78,207,473,567.32
  5. Step 5: Solve for x
    x = 78,207,473,567.32/315,551.60
  6. Step 6: Final answer
    x = 247,843.69

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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.