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Finding the Fourth Proportional to 338,583.81, 467,151.12 and 266,740.86

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Solution

The fourth proportional to 338,583.81, 467,151.12 and 266,740.86 is: 368,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,583.81 : 467,151.12 = 266,740.86 : x
  2. Step 2: Convert to fraction form
    338,583.81/467,151.12 = 266,740.86/x
  3. Step 3: Cross multiply
    338,583.81x = 467,151.12 × 266,740.86
  4. Step 4: Simplify right side
    338,583.81x = 124,608,291,498.76
  5. Step 5: Solve for x
    x = 124,608,291,498.76/338,583.81
  6. Step 6: Final answer
    x = 368,027.91

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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.