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Finding the Fourth Proportional to 426,689.53, 588,807.11 and 254,801.45

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Solution

The fourth proportional to 426,689.53, 588,807.11 and 254,801.45 is: 351,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,689.53 : 588,807.11 = 254,801.45 : x
  2. Step 2: Convert to fraction form
    426,689.53/588,807.11 = 254,801.45/x
  3. Step 3: Cross multiply
    426,689.53x = 588,807.11 × 254,801.45
  4. Step 4: Simplify right side
    426,689.53x = 150,028,904,124.30
  5. Step 5: Solve for x
    x = 150,028,904,124.30/426,689.53
  6. Step 6: Final answer
    x = 351,611.40

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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.