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Finding the Fourth Proportional to 364,476.60, 546,711.66 and 98,215.02

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Solution

The fourth proportional to 364,476.60, 546,711.66 and 98,215.02 is: 147,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,476.60 : 546,711.66 = 98,215.02 : x
  2. Step 2: Convert to fraction form
    364,476.60/546,711.66 = 98,215.02/x
  3. Step 3: Cross multiply
    364,476.60x = 546,711.66 × 98,215.02
  4. Step 4: Simplify right side
    364,476.60x = 53,695,296,621.13
  5. Step 5: Solve for x
    x = 53,695,296,621.13/364,476.60
  6. Step 6: Final answer
    x = 147,321.66

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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.