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Finding the Fourth Proportional to 338,278.83, 506,791.85 and 169,602.27

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Solution

The fourth proportional to 338,278.83, 506,791.85 and 169,602.27 is: 254,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,278.83 : 506,791.85 = 169,602.27 : x
  2. Step 2: Convert to fraction form
    338,278.83/506,791.85 = 169,602.27/x
  3. Step 3: Cross multiply
    338,278.83x = 506,791.85 × 169,602.27
  4. Step 4: Simplify right side
    338,278.83x = 85,953,047,329.49
  5. Step 5: Solve for x
    x = 85,953,047,329.49/338,278.83
  6. Step 6: Final answer
    x = 254,089.35

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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.