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Finding the Fourth Proportional to 546,574.95, 754,070.10 and 317,003.51

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Solution

The fourth proportional to 546,574.95, 754,070.10 and 317,003.51 is: 437,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,574.95 : 754,070.10 = 317,003.51 : x
  2. Step 2: Convert to fraction form
    546,574.95/754,070.10 = 317,003.51/x
  3. Step 3: Cross multiply
    546,574.95x = 754,070.10 × 317,003.51
  4. Step 4: Simplify right side
    546,574.95x = 239,042,864,715.70
  5. Step 5: Solve for x
    x = 239,042,864,715.70/546,574.95
  6. Step 6: Final answer
    x = 437,346.91

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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.