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Finding the Fourth Proportional to 497,343.84, 746,236.28 and 260,630.25

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Solution

The fourth proportional to 497,343.84, 746,236.28 and 260,630.25 is: 391,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,343.84 : 746,236.28 = 260,630.25 : x
  2. Step 2: Convert to fraction form
    497,343.84/746,236.28 = 260,630.25/x
  3. Step 3: Cross multiply
    497,343.84x = 746,236.28 × 260,630.25
  4. Step 4: Simplify right side
    497,343.84x = 194,491,748,215.47
  5. Step 5: Solve for x
    x = 194,491,748,215.47/497,343.84
  6. Step 6: Final answer
    x = 391,060.94

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1.5x scale

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.