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Finding the Fourth Proportional to 452,950.12, 625,079.12 and 249,009.61

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Solution

The fourth proportional to 452,950.12, 625,079.12 and 249,009.61 is: 343,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,950.12 : 625,079.12 = 249,009.61 : x
  2. Step 2: Convert to fraction form
    452,950.12/625,079.12 = 249,009.61/x
  3. Step 3: Cross multiply
    452,950.12x = 625,079.12 × 249,009.61
  4. Step 4: Simplify right side
    452,950.12x = 155,650,706,645.30
  5. Step 5: Solve for x
    x = 155,650,706,645.30/452,950.12
  6. Step 6: Final answer
    x = 343,637.63

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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.