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Finding the Fourth Proportional to 431,062.16, 594,866.43 and 249,808.86

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Solution

The fourth proportional to 431,062.16, 594,866.43 and 249,808.86 is: 344,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,062.16 : 594,866.43 = 249,808.86 : x
  2. Step 2: Convert to fraction form
    431,062.16/594,866.43 = 249,808.86/x
  3. Step 3: Cross multiply
    431,062.16x = 594,866.43 × 249,808.86
  4. Step 4: Simplify right side
    431,062.16x = 148,602,904,730.57
  5. Step 5: Solve for x
    x = 148,602,904,730.57/431,062.16
  6. Step 6: Final answer
    x = 344,736.61

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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.