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Finding the Fourth Proportional to 402,072.02, 601,600.59 and 239,370.95

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Solution

The fourth proportional to 402,072.02, 601,600.59 and 239,370.95 is: 358,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,072.02 : 601,600.59 = 239,370.95 : x
  2. Step 2: Convert to fraction form
    402,072.02/601,600.59 = 239,370.95/x
  3. Step 3: Cross multiply
    402,072.02x = 601,600.59 × 239,370.95
  4. Step 4: Simplify right side
    402,072.02x = 144,005,706,252.86
  5. Step 5: Solve for x
    x = 144,005,706,252.86/402,072.02
  6. Step 6: Final answer
    x = 358,158.99

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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.