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Finding the Fourth Proportional to 452,993.83, 625,115.57 and 249,043.28

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Solution

The fourth proportional to 452,993.83, 625,115.57 and 249,043.28 is: 343,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,993.83 : 625,115.57 = 249,043.28 : x
  2. Step 2: Convert to fraction form
    452,993.83/625,115.57 = 249,043.28/x
  3. Step 3: Cross multiply
    452,993.83x = 625,115.57 × 249,043.28
  4. Step 4: Simplify right side
    452,993.83x = 155,680,827,561.08
  5. Step 5: Solve for x
    x = 155,680,827,561.08/452,993.83
  6. Step 6: Final answer
    x = 343,670.97

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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.