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Finding the Fourth Proportional to 371,801.52, 513,243.24 and 251,106.45

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Solution

The fourth proportional to 371,801.52, 513,243.24 and 251,106.45 is: 346,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,801.52 : 513,243.24 = 251,106.45 : x
  2. Step 2: Convert to fraction form
    371,801.52/513,243.24 = 251,106.45/x
  3. Step 3: Cross multiply
    371,801.52x = 513,243.24 × 251,106.45
  4. Step 4: Simplify right side
    371,801.52x = 128,878,687,982.90
  5. Step 5: Solve for x
    x = 128,878,687,982.90/371,801.52
  6. Step 6: Final answer
    x = 346,633.03

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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.