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Finding the Fourth Proportional to 560,750.79, 773,826.14 and 319,028.16

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Solution

The fourth proportional to 560,750.79, 773,826.14 and 319,028.16 is: 440,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,750.79 : 773,826.14 = 319,028.16 : x
  2. Step 2: Convert to fraction form
    560,750.79/773,826.14 = 319,028.16/x
  3. Step 3: Cross multiply
    560,750.79x = 773,826.14 × 319,028.16
  4. Step 4: Simplify right side
    560,750.79x = 246,872,328,008.96
  5. Step 5: Solve for x
    x = 246,872,328,008.96/560,750.79
  6. Step 6: Final answer
    x = 440,253.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.