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Finding the Fourth Proportional to 249,761.20, 374,641.80 and 155,282.80

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Solution

The fourth proportional to 249,761.20, 374,641.80 and 155,282.80 is: 232,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,761.20 : 374,641.80 = 155,282.80 : x
  2. Step 2: Convert to fraction form
    249,761.20/374,641.80 = 155,282.80/x
  3. Step 3: Cross multiply
    249,761.20x = 374,641.80 × 155,282.80
  4. Step 4: Simplify right side
    249,761.20x = 58,175,427,701.04
  5. Step 5: Solve for x
    x = 58,175,427,701.04/249,761.20
  6. Step 6: Final answer
    x = 232,924.20

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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.