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Finding the Fourth Proportional to 546,752.11, 754,518.39 and 305,034.74

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Solution

The fourth proportional to 546,752.11, 754,518.39 and 305,034.74 is: 420,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,752.11 : 754,518.39 = 305,034.74 : x
  2. Step 2: Convert to fraction form
    546,752.11/754,518.39 = 305,034.74/x
  3. Step 3: Cross multiply
    546,752.11x = 754,518.39 × 305,034.74
  4. Step 4: Simplify right side
    546,752.11x = 230,154,320,918.87
  5. Step 5: Solve for x
    x = 230,154,320,918.87/546,752.11
  6. Step 6: Final answer
    x = 420,948.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.