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Finding the Fourth Proportional to 480,714.74, 721,017.02 and 125,763.02

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Solution

The fourth proportional to 480,714.74, 721,017.02 and 125,763.02 is: 188,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,714.74 : 721,017.02 = 125,763.02 : x
  2. Step 2: Convert to fraction form
    480,714.74/721,017.02 = 125,763.02/x
  3. Step 3: Cross multiply
    480,714.74x = 721,017.02 × 125,763.02
  4. Step 4: Simplify right side
    480,714.74x = 90,677,274,615.92
  5. Step 5: Solve for x
    x = 90,677,274,615.92/480,714.74
  6. Step 6: Final answer
    x = 188,630.11

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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.