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Finding the Fourth Proportional to 323,055.86, 484,652.79 and 98,434.20

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Solution

The fourth proportional to 323,055.86, 484,652.79 and 98,434.20 is: 147,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,055.86 : 484,652.79 = 98,434.20 : x
  2. Step 2: Convert to fraction form
    323,055.86/484,652.79 = 98,434.20/x
  3. Step 3: Cross multiply
    323,055.86x = 484,652.79 × 98,434.20
  4. Step 4: Simplify right side
    323,055.86x = 47,706,411,478.87
  5. Step 5: Solve for x
    x = 47,706,411,478.87/323,055.86
  6. Step 6: Final answer
    x = 147,672.33

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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.