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Finding the Fourth Proportional to 249,641.80, 374,462.70 and 187,433.80

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Solution

The fourth proportional to 249,641.80, 374,462.70 and 187,433.80 is: 281,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,641.80 : 374,462.70 = 187,433.80 : x
  2. Step 2: Convert to fraction form
    249,641.80/374,462.70 = 187,433.80/x
  3. Step 3: Cross multiply
    249,641.80x = 374,462.70 × 187,433.80
  4. Step 4: Simplify right side
    249,641.80x = 70,186,966,819.26
  5. Step 5: Solve for x
    x = 70,186,966,819.26/249,641.80
  6. Step 6: Final answer
    x = 281,150.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.