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Finding the Fourth Proportional to 369,077.10, 552,303.45 and 256,227.90

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Solution

The fourth proportional to 369,077.10, 552,303.45 and 256,227.90 is: 383,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,077.10 : 552,303.45 = 256,227.90 : x
  2. Step 2: Convert to fraction form
    369,077.10/552,303.45 = 256,227.90/x
  3. Step 3: Cross multiply
    369,077.10x = 552,303.45 × 256,227.90
  4. Step 4: Simplify right side
    369,077.10x = 141,515,553,156.26
  5. Step 5: Solve for x
    x = 141,515,553,156.26/369,077.10
  6. Step 6: Final answer
    x = 383,430.87

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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.