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Finding the Fourth Proportional to 475,243.52, 712,859.08 and 115,417.32

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Solution

The fourth proportional to 475,243.52, 712,859.08 and 115,417.32 is: 173,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,243.52 : 712,859.08 = 115,417.32 : x
  2. Step 2: Convert to fraction form
    475,243.52/712,859.08 = 115,417.32/x
  3. Step 3: Cross multiply
    475,243.52x = 712,859.08 × 115,417.32
  4. Step 4: Simplify right side
    475,243.52x = 82,276,284,551.27
  5. Step 5: Solve for x
    x = 82,276,284,551.27/475,243.52
  6. Step 6: Final answer
    x = 173,124.47

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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.