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Finding the Fourth Proportional to 288,569.90, 432,854.85 and 267,574.70

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Solution

The fourth proportional to 288,569.90, 432,854.85 and 267,574.70 is: 401,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,569.90 : 432,854.85 = 267,574.70 : x
  2. Step 2: Convert to fraction form
    288,569.90/432,854.85 = 267,574.70/x
  3. Step 3: Cross multiply
    288,569.90x = 432,854.85 × 267,574.70
  4. Step 4: Simplify right side
    288,569.90x = 115,821,006,632.30
  5. Step 5: Solve for x
    x = 115,821,006,632.30/288,569.90
  6. Step 6: Final answer
    x = 401,362.05

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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.