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Finding the Fourth Proportional to 250,369.80, 375,044.40 and 155,308.20

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Solution

The fourth proportional to 250,369.80, 375,044.40 and 155,308.20 is: 232,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,369.80 : 375,044.40 = 155,308.20 : x
  2. Step 2: Convert to fraction form
    250,369.80/375,044.40 = 155,308.20/x
  3. Step 3: Cross multiply
    250,369.80x = 375,044.40 × 155,308.20
  4. Step 4: Simplify right side
    250,369.80x = 58,247,470,684.08
  5. Step 5: Solve for x
    x = 58,247,470,684.08/250,369.80
  6. Step 6: Final answer
    x = 232,645.75

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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.