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Finding the Fourth Proportional to 363,987.88, 501,965.71 and 249,432.82

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Solution

The fourth proportional to 363,987.88, 501,965.71 and 249,432.82 is: 343,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,987.88 : 501,965.71 = 249,432.82 : x
  2. Step 2: Convert to fraction form
    363,987.88/501,965.71 = 249,432.82/x
  3. Step 3: Cross multiply
    363,987.88x = 501,965.71 × 249,432.82
  4. Step 4: Simplify right side
    363,987.88x = 125,206,720,710.11
  5. Step 5: Solve for x
    x = 125,206,720,710.11/363,987.88
  6. Step 6: Final answer
    x = 343,985.96

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1.5x scale

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.