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Finding the Fourth Proportional to 503,577.28, 755,386.76 and 148,591.30

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Solution

The fourth proportional to 503,577.28, 755,386.76 and 148,591.30 is: 222,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577.28 : 755,386.76 = 148,591.30 : x
  2. Step 2: Convert to fraction form
    503,577.28/755,386.76 = 148,591.30/x
  3. Step 3: Cross multiply
    503,577.28x = 755,386.76 × 148,591.30
  4. Step 4: Simplify right side
    503,577.28x = 112,243,898,039.77
  5. Step 5: Solve for x
    x = 112,243,898,039.77/503,577.28
  6. Step 6: Final answer
    x = 222,893.10

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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.