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Finding the Fourth Proportional to 418,099.88, 577,017.98 and 234,337.53

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Solution

The fourth proportional to 418,099.88, 577,017.98 and 234,337.53 is: 323,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,099.88 : 577,017.98 = 234,337.53 : x
  2. Step 2: Convert to fraction form
    418,099.88/577,017.98 = 234,337.53/x
  3. Step 3: Cross multiply
    418,099.88x = 577,017.98 × 234,337.53
  4. Step 4: Simplify right side
    418,099.88x = 135,216,968,446.82
  5. Step 5: Solve for x
    x = 135,216,968,446.82/418,099.88
  6. Step 6: Final answer
    x = 323,408.30

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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.