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Finding the Fourth Proportional to 523,695.34, 722,700.44 and 297,340.84

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Solution

The fourth proportional to 523,695.34, 722,700.44 and 297,340.84 is: 410,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,695.34 : 722,700.44 = 297,340.84 : x
  2. Step 2: Convert to fraction form
    523,695.34/722,700.44 = 297,340.84/x
  3. Step 3: Cross multiply
    523,695.34x = 722,700.44 × 297,340.84
  4. Step 4: Simplify right side
    523,695.34x = 214,888,355,897.97
  5. Step 5: Solve for x
    x = 214,888,355,897.97/523,695.34
  6. Step 6: Final answer
    x = 410,330.85

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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.