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Finding the Fourth Proportional to 323,207.76, 484,885.08 and 98,588.28

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Solution

The fourth proportional to 323,207.76, 484,885.08 and 98,588.28 is: 147,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,207.76 : 484,885.08 = 98,588.28 : x
  2. Step 2: Convert to fraction form
    323,207.76/484,885.08 = 98,588.28/x
  3. Step 3: Cross multiply
    323,207.76x = 484,885.08 × 98,588.28
  4. Step 4: Simplify right side
    323,207.76x = 47,803,986,034.86
  5. Step 5: Solve for x
    x = 47,803,986,034.86/323,207.76
  6. Step 6: Final answer
    x = 147,904.82

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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.