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Finding the Fourth Proportional to 523,839.76, 722,903.88 and 297,486.88

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Solution

The fourth proportional to 523,839.76, 722,903.88 and 297,486.88 is: 410,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,839.76 : 722,903.88 = 297,486.88 : x
  2. Step 2: Convert to fraction form
    523,839.76/722,903.88 = 297,486.88/x
  3. Step 3: Cross multiply
    523,839.76x = 722,903.88 × 297,486.88
  4. Step 4: Simplify right side
    523,839.76x = 215,054,419,801.09
  5. Step 5: Solve for x
    x = 215,054,419,801.09/523,839.76
  6. Step 6: Final answer
    x = 410,534.74

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1.5x scale

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.