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Finding the Fourth Proportional to 509,494.76, 701,887.56 and 356,246.20

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Solution

The fourth proportional to 509,494.76, 701,887.56 and 356,246.20 is: 490,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,494.76 : 701,887.56 = 356,246.20 : x
  2. Step 2: Convert to fraction form
    509,494.76/701,887.56 = 356,246.20/x
  3. Step 3: Cross multiply
    509,494.76x = 701,887.56 × 356,246.20
  4. Step 4: Simplify right side
    509,494.76x = 250,044,772,567.83
  5. Step 5: Solve for x
    x = 250,044,772,567.83/509,494.76
  6. Step 6: Final answer
    x = 490,770.06

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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.