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Finding the Fourth Proportional to 323,715.02, 485,587.11 and 234,543.74

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Solution

The fourth proportional to 323,715.02, 485,587.11 and 234,543.74 is: 351,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,715.02 : 485,587.11 = 234,543.74 : x
  2. Step 2: Convert to fraction form
    323,715.02/485,587.11 = 234,543.74/x
  3. Step 3: Cross multiply
    323,715.02x = 485,587.11 × 234,543.74
  4. Step 4: Simplify right side
    323,715.02x = 113,891,416,875.19
  5. Step 5: Solve for x
    x = 113,891,416,875.19/323,715.02
  6. Step 6: Final answer
    x = 351,826.17

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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.