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Finding the Fourth Proportional to 532,762.70, 735,041.94 and 379,825.79

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Solution

The fourth proportional to 532,762.70, 735,041.94 and 379,825.79 is: 524,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,762.70 : 735,041.94 = 379,825.79 : x
  2. Step 2: Convert to fraction form
    532,762.70/735,041.94 = 379,825.79/x
  3. Step 3: Cross multiply
    532,762.70x = 735,041.94 × 379,825.79
  4. Step 4: Simplify right side
    532,762.70x = 279,187,885,543.63
  5. Step 5: Solve for x
    x = 279,187,885,543.63/532,762.70
  6. Step 6: Final answer
    x = 524,037.97

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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.