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Finding the Fourth Proportional to 473,623.74, 710,419.32 and 118,640.88

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Solution

The fourth proportional to 473,623.74, 710,419.32 and 118,640.88 is: 177,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,623.74 : 710,419.32 = 118,640.88 : x
  2. Step 2: Convert to fraction form
    473,623.74/710,419.32 = 118,640.88/x
  3. Step 3: Cross multiply
    473,623.74x = 710,419.32 × 118,640.88
  4. Step 4: Simplify right side
    473,623.74x = 84,284,773,293.80
  5. Step 5: Solve for x
    x = 84,284,773,293.80/473,623.74
  6. Step 6: Final answer
    x = 177,957.24

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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.