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Finding the Fourth Proportional to 375,733.80, 563,600.70 and 329,077.80

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Solution

The fourth proportional to 375,733.80, 563,600.70 and 329,077.80 is: 493,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,733.80 : 563,600.70 = 329,077.80 : x
  2. Step 2: Convert to fraction form
    375,733.80/563,600.70 = 329,077.80/x
  3. Step 3: Cross multiply
    375,733.80x = 563,600.70 × 329,077.80
  4. Step 4: Simplify right side
    375,733.80x = 185,468,478,434.46
  5. Step 5: Solve for x
    x = 185,468,478,434.46/375,733.80
  6. Step 6: Final answer
    x = 493,616.70

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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.