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Finding the Fourth Proportional to 473,445.57, 710,170.26 and 118,458.61

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Solution

The fourth proportional to 473,445.57, 710,170.26 and 118,458.61 is: 177,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,445.57 : 710,170.26 = 118,458.61 : x
  2. Step 2: Convert to fraction form
    473,445.57/710,170.26 = 118,458.61/x
  3. Step 3: Cross multiply
    473,445.57x = 710,170.26 × 118,458.61
  4. Step 4: Simplify right side
    473,445.57x = 84,125,781,862.94
  5. Step 5: Solve for x
    x = 84,125,781,862.94/473,445.57
  6. Step 6: Final answer
    x = 177,688.39

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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.