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Finding the Fourth Proportional to 473,640.28, 710,460.87 and 132,070.06

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Solution

The fourth proportional to 473,640.28, 710,460.87 and 132,070.06 is: 198,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,640.28 : 710,460.87 = 132,070.06 : x
  2. Step 2: Convert to fraction form
    473,640.28/710,460.87 = 132,070.06/x
  3. Step 3: Cross multiply
    473,640.28x = 710,460.87 × 132,070.06
  4. Step 4: Simplify right side
    473,640.28x = 93,830,610,864.26
  5. Step 5: Solve for x
    x = 93,830,610,864.26/473,640.28
  6. Step 6: Final answer
    x = 198,105.22

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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.