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Finding the Fourth Proportional to 462,460.56, 693,691.04 and 130,036.56

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Solution

The fourth proportional to 462,460.56, 693,691.04 and 130,036.56 is: 195,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,460.56 : 693,691.04 = 130,036.56 : x
  2. Step 2: Convert to fraction form
    462,460.56/693,691.04 = 130,036.56/x
  3. Step 3: Cross multiply
    462,460.56x = 693,691.04 × 130,036.56
  4. Step 4: Simplify right side
    462,460.56x = 90,205,196,544.42
  5. Step 5: Solve for x
    x = 90,205,196,544.42/462,460.56
  6. Step 6: Final answer
    x = 195,054.90

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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.