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Finding the Fourth Proportional to 363,585.84, 545,403.69 and 123,602.10

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Solution

The fourth proportional to 363,585.84, 545,403.69 and 123,602.10 is: 185,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,585.84 : 545,403.69 = 123,602.10 : x
  2. Step 2: Convert to fraction form
    363,585.84/545,403.69 = 123,602.10/x
  3. Step 3: Cross multiply
    363,585.84x = 545,403.69 × 123,602.10
  4. Step 4: Simplify right side
    363,585.84x = 67,413,041,431.75
  5. Step 5: Solve for x
    x = 67,413,041,431.75/363,585.84
  6. Step 6: Final answer
    x = 185,411.63

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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.