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Finding the Fourth Proportional to 373,554.88, 560,332.32 and 206,139.28

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Solution

The fourth proportional to 373,554.88, 560,332.32 and 206,139.28 is: 309,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,554.88 : 560,332.32 = 206,139.28 : x
  2. Step 2: Convert to fraction form
    373,554.88/560,332.32 = 206,139.28/x
  3. Step 3: Cross multiply
    373,554.88x = 560,332.32 × 206,139.28
  4. Step 4: Simplify right side
    373,554.88x = 115,506,501,005.53
  5. Step 5: Solve for x
    x = 115,506,501,005.53/373,554.88
  6. Step 6: Final answer
    x = 309,208.92

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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.