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Finding the Fourth Proportional to 249,462.90, 375,878.92 and 206,062.02

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Solution

The fourth proportional to 249,462.90, 375,878.92 and 206,062.02 is: 310,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,462.90 : 375,878.92 = 206,062.02 : x
  2. Step 2: Convert to fraction form
    249,462.90/375,878.92 = 206,062.02/x
  3. Step 3: Cross multiply
    249,462.90x = 375,878.92 × 206,062.02
  4. Step 4: Simplify right side
    249,462.90x = 77,454,369,530.62
  5. Step 5: Solve for x
    x = 77,454,369,530.62/249,462.90
  6. Step 6: Final answer
    x = 310,484.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.