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Finding the Fourth Proportional to 346,632.55, 519,616.68 and 146,677.88

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Solution

The fourth proportional to 346,632.55, 519,616.68 and 146,677.88 is: 219,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,632.55 : 519,616.68 = 146,677.88 : x
  2. Step 2: Convert to fraction form
    346,632.55/519,616.68 = 146,677.88/x
  3. Step 3: Cross multiply
    346,632.55x = 519,616.68 × 146,677.88
  4. Step 4: Simplify right side
    346,632.55x = 76,216,270,861.19
  5. Step 5: Solve for x
    x = 76,216,270,861.19/346,632.55
  6. Step 6: Final answer
    x = 219,876.26

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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.