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Finding the Fourth Proportional to 543,277.68, 749,643.27 and 301,562.10

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Solution

The fourth proportional to 543,277.68, 749,643.27 and 301,562.10 is: 416,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,277.68 : 749,643.27 = 301,562.10 : x
  2. Step 2: Convert to fraction form
    543,277.68/749,643.27 = 301,562.10/x
  3. Step 3: Cross multiply
    543,277.68x = 749,643.27 × 301,562.10
  4. Step 4: Simplify right side
    543,277.68x = 226,063,998,752.07
  5. Step 5: Solve for x
    x = 226,063,998,752.07/543,277.68
  6. Step 6: Final answer
    x = 416,111.33

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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.