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Finding the Fourth Proportional to 338,117.68, 466,496.58 and 194,858.11

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Solution

The fourth proportional to 338,117.68, 466,496.58 and 194,858.11 is: 268,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,117.68 : 466,496.58 = 194,858.11 : x
  2. Step 2: Convert to fraction form
    338,117.68/466,496.58 = 194,858.11/x
  3. Step 3: Cross multiply
    338,117.68x = 466,496.58 × 194,858.11
  4. Step 4: Simplify right side
    338,117.68x = 90,900,641,900.26
  5. Step 5: Solve for x
    x = 90,900,641,900.26/338,117.68
  6. Step 6: Final answer
    x = 268,843.21

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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.