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Finding the Fourth Proportional to 338,437.70, 466,984.80 and 193,177.16

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Solution

The fourth proportional to 338,437.70, 466,984.80 and 193,177.16 is: 266,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,437.70 : 466,984.80 = 193,177.16 : x
  2. Step 2: Convert to fraction form
    338,437.70/466,984.80 = 193,177.16/x
  3. Step 3: Cross multiply
    338,437.70x = 466,984.80 × 193,177.16
  4. Step 4: Simplify right side
    338,437.70x = 90,210,797,427.17
  5. Step 5: Solve for x
    x = 90,210,797,427.17/338,437.70
  6. Step 6: Final answer
    x = 266,550.68

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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.