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Finding the Fourth Proportional to 250,123.76, 375,387.93 and 193,830.38

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Solution

The fourth proportional to 250,123.76, 375,387.93 and 193,830.38 is: 290,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,123.76 : 375,387.93 = 193,830.38 : x
  2. Step 2: Convert to fraction form
    250,123.76/375,387.93 = 193,830.38/x
  3. Step 3: Cross multiply
    250,123.76x = 375,387.93 × 193,830.38
  4. Step 4: Simplify right side
    250,123.76x = 72,761,583,242.37
  5. Step 5: Solve for x
    x = 72,761,583,242.37/250,123.76
  6. Step 6: Final answer
    x = 290,902.33

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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.