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Finding the Fourth Proportional to 426,019.68, 588,102.86 and 367,644.20

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Solution

The fourth proportional to 426,019.68, 588,102.86 and 367,644.20 is: 507,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,019.68 : 588,102.86 = 367,644.20 : x
  2. Step 2: Convert to fraction form
    426,019.68/588,102.86 = 367,644.20/x
  3. Step 3: Cross multiply
    426,019.68x = 588,102.86 × 367,644.20
  4. Step 4: Simplify right side
    426,019.68x = 216,212,605,482.41
  5. Step 5: Solve for x
    x = 216,212,605,482.41/426,019.68
  6. Step 6: Final answer
    x = 507,517.88

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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.