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Finding the Fourth Proportional to 532,221.30, 798,459.53 and 177,238.40

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Solution

The fourth proportional to 532,221.30, 798,459.53 and 177,238.40 is: 265,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,221.30 : 798,459.53 = 177,238.40 : x
  2. Step 2: Convert to fraction form
    532,221.30/798,459.53 = 177,238.40/x
  3. Step 3: Cross multiply
    532,221.30x = 798,459.53 × 177,238.40
  4. Step 4: Simplify right side
    532,221.30x = 141,517,684,683.46
  5. Step 5: Solve for x
    x = 141,517,684,683.46/532,221.30
  6. Step 6: Final answer
    x = 265,900.08

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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.