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Finding the Fourth Proportional to 546,599.93, 754,275.41 and 317,139.44

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Solution

The fourth proportional to 546,599.93, 754,275.41 and 317,139.44 is: 437,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,599.93 : 754,275.41 = 317,139.44 : x
  2. Step 2: Convert to fraction form
    546,599.93/754,275.41 = 317,139.44/x
  3. Step 3: Cross multiply
    546,599.93x = 754,275.41 × 317,139.44
  4. Step 4: Simplify right side
    546,599.93x = 239,210,475,776.10
  5. Step 5: Solve for x
    x = 239,210,475,776.10/546,599.93
  6. Step 6: Final answer
    x = 437,633.57

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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.