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Finding the Fourth Proportional to 559,862.20, 839,793.30 and 349,618.60

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Solution

The fourth proportional to 559,862.20, 839,793.30 and 349,618.60 is: 524,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,862.20 : 839,793.30 = 349,618.60 : x
  2. Step 2: Convert to fraction form
    559,862.20/839,793.30 = 349,618.60/x
  3. Step 3: Cross multiply
    559,862.20x = 839,793.30 × 349,618.60
  4. Step 4: Simplify right side
    559,862.20x = 293,607,357,835.38
  5. Step 5: Solve for x
    x = 293,607,357,835.38/559,862.20
  6. Step 6: Final answer
    x = 524,427.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.