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Finding the Fourth Proportional to 373,278.52, 560,278.50 and 353,048.68

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Solution

The fourth proportional to 373,278.52, 560,278.50 and 353,048.68 is: 529,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,278.52 : 560,278.50 = 353,048.68 : x
  2. Step 2: Convert to fraction form
    373,278.52/560,278.50 = 353,048.68/x
  3. Step 3: Cross multiply
    373,278.52x = 560,278.50 × 353,048.68
  4. Step 4: Simplify right side
    373,278.52x = 197,805,584,857.38
  5. Step 5: Solve for x
    x = 197,805,584,857.38/373,278.52
  6. Step 6: Final answer
    x = 529,914.19

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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.