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Finding the Fourth Proportional to 453,291.94, 625,530.12 and 249,342.64

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Solution

The fourth proportional to 453,291.94, 625,530.12 and 249,342.64 is: 344,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,291.94 : 625,530.12 = 249,342.64 : x
  2. Step 2: Convert to fraction form
    453,291.94/625,530.12 = 249,342.64/x
  3. Step 3: Cross multiply
    453,291.94x = 625,530.12 × 249,342.64
  4. Step 4: Simplify right side
    453,291.94x = 155,971,331,520.32
  5. Step 5: Solve for x
    x = 155,971,331,520.32/453,291.94
  6. Step 6: Final answer
    x = 344,085.83

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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.