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Finding the Fourth Proportional to 552,079.42, 761,881.61 and 337,337.89

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Solution

The fourth proportional to 552,079.42, 761,881.61 and 337,337.89 is: 465,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,079.42 : 761,881.61 = 337,337.89 : x
  2. Step 2: Convert to fraction form
    552,079.42/761,881.61 = 337,337.89/x
  3. Step 3: Cross multiply
    552,079.42x = 761,881.61 × 337,337.89
  4. Step 4: Simplify right side
    552,079.42x = 257,011,533,685.84
  5. Step 5: Solve for x
    x = 257,011,533,685.84/552,079.42
  6. Step 6: Final answer
    x = 465,533.63

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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.