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Finding the Fourth Proportional to 289,159.70, 398,327.38 and 246,000.98

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Solution

The fourth proportional to 289,159.70, 398,327.38 and 246,000.98 is: 338,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,159.70 : 398,327.38 = 246,000.98 : x
  2. Step 2: Convert to fraction form
    289,159.70/398,327.38 = 246,000.98/x
  3. Step 3: Cross multiply
    289,159.70x = 398,327.38 × 246,000.98
  4. Step 4: Simplify right side
    289,159.70x = 97,988,926,221.65
  5. Step 5: Solve for x
    x = 97,988,926,221.65/289,159.70
  6. Step 6: Final answer
    x = 338,874.77

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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.