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Finding the Fourth Proportional to 346,592.70, 519,889.05 and 232,431.30

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Solution

The fourth proportional to 346,592.70, 519,889.05 and 232,431.30 is: 348,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,592.70 : 519,889.05 = 232,431.30 : x
  2. Step 2: Convert to fraction form
    346,592.70/519,889.05 = 232,431.30/x
  3. Step 3: Cross multiply
    346,592.70x = 519,889.05 × 232,431.30
  4. Step 4: Simplify right side
    346,592.70x = 120,838,487,747.27
  5. Step 5: Solve for x
    x = 120,838,487,747.27/346,592.70
  6. Step 6: Final answer
    x = 348,646.95

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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.