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Finding the Fourth Proportional to 552,684.68, 829,044.78 and 153,329.48

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Solution

The fourth proportional to 552,684.68, 829,044.78 and 153,329.48 is: 229,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,684.68 : 829,044.78 = 153,329.48 : x
  2. Step 2: Convert to fraction form
    552,684.68/829,044.78 = 153,329.48/x
  3. Step 3: Cross multiply
    552,684.68x = 829,044.78 × 153,329.48
  4. Step 4: Simplify right side
    552,684.68x = 127,117,005,014.11
  5. Step 5: Solve for x
    x = 127,117,005,014.11/552,684.68
  6. Step 6: Final answer
    x = 229,999.15

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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.