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Finding the Fourth Proportional to 249,790.71, 344,766.54 and 172,375.01

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Solution

The fourth proportional to 249,790.71, 344,766.54 and 172,375.01 is: 237,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,790.71 : 344,766.54 = 172,375.01 : x
  2. Step 2: Convert to fraction form
    249,790.71/344,766.54 = 172,375.01/x
  3. Step 3: Cross multiply
    249,790.71x = 344,766.54 × 172,375.01
  4. Step 4: Simplify right side
    249,790.71x = 59,429,136,238.06
  5. Step 5: Solve for x
    x = 59,429,136,238.06/249,790.71
  6. Step 6: Final answer
    x = 237,915.72

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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.