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Finding the Fourth Proportional to 503,775.40, 755,486.70 and 148,695.40

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Solution

The fourth proportional to 503,775.40, 755,486.70 and 148,695.40 is: 222,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,775.40 : 755,486.70 = 148,695.40 : x
  2. Step 2: Convert to fraction form
    503,775.40/755,486.70 = 148,695.40/x
  3. Step 3: Cross multiply
    503,775.40x = 755,486.70 × 148,695.40
  4. Step 4: Simplify right side
    503,775.40x = 112,337,397,051.18
  5. Step 5: Solve for x
    x = 112,337,397,051.18/503,775.40
  6. Step 6: Final answer
    x = 222,991.03

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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.