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Finding the Fourth Proportional to 367,271.61, 506,884.40 and 206,135.57

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Solution

The fourth proportional to 367,271.61, 506,884.40 and 206,135.57 is: 284,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,271.61 : 506,884.40 = 206,135.57 : x
  2. Step 2: Convert to fraction form
    367,271.61/506,884.40 = 206,135.57/x
  3. Step 3: Cross multiply
    367,271.61x = 506,884.40 × 206,135.57
  4. Step 4: Simplify right side
    367,271.61x = 104,486,904,718.11
  5. Step 5: Solve for x
    x = 104,486,904,718.11/367,271.61
  6. Step 6: Final answer
    x = 284,494.91

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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.