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Finding the Fourth Proportional to 266,485.55, 367,787.56 and 169,658.47

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Solution

The fourth proportional to 266,485.55, 367,787.56 and 169,658.47 is: 234,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,485.55 : 367,787.56 = 169,658.47 : x
  2. Step 2: Convert to fraction form
    266,485.55/367,787.56 = 169,658.47/x
  3. Step 3: Cross multiply
    266,485.55x = 367,787.56 × 169,658.47
  4. Step 4: Simplify right side
    266,485.55x = 62,398,274,029.13
  5. Step 5: Solve for x
    x = 62,398,274,029.13/266,485.55
  6. Step 6: Final answer
    x = 234,152.57

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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.