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Finding the Fourth Proportional to 384,077.88, 576,047.16 and 103,529.52

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Solution

The fourth proportional to 384,077.88, 576,047.16 and 103,529.52 is: 155,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,077.88 : 576,047.16 = 103,529.52 : x
  2. Step 2: Convert to fraction form
    384,077.88/576,047.16 = 103,529.52/x
  3. Step 3: Cross multiply
    384,077.88x = 576,047.16 × 103,529.52
  4. Step 4: Simplify right side
    384,077.88x = 59,637,885,972.16
  5. Step 5: Solve for x
    x = 59,637,885,972.16/384,077.88
  6. Step 6: Final answer
    x = 155,275.50

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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.