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Finding the Fourth Proportional to 559,864.30, 839,796.45 and 552,001.90

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Solution

The fourth proportional to 559,864.30, 839,796.45 and 552,001.90 is: 828,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,864.30 : 839,796.45 = 552,001.90 : x
  2. Step 2: Convert to fraction form
    559,864.30/839,796.45 = 552,001.90/x
  3. Step 3: Cross multiply
    559,864.30x = 839,796.45 × 552,001.90
  4. Step 4: Simplify right side
    559,864.30x = 463,569,236,013.26
  5. Step 5: Solve for x
    x = 463,569,236,013.26/559,864.30
  6. Step 6: Final answer
    x = 828,002.85

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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.