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Finding the Fourth Proportional to 503,074.48, 754,352.04 and 148,042.40

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Solution

The fourth proportional to 503,074.48, 754,352.04 and 148,042.40 is: 221,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,074.48 : 754,352.04 = 148,042.40 : x
  2. Step 2: Convert to fraction form
    503,074.48/754,352.04 = 148,042.40/x
  3. Step 3: Cross multiply
    503,074.48x = 754,352.04 × 148,042.40
  4. Step 4: Simplify right side
    503,074.48x = 111,676,086,446.50
  5. Step 5: Solve for x
    x = 111,676,086,446.50/503,074.48
  6. Step 6: Final answer
    x = 221,987.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.