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Finding the Fourth Proportional to 442,811.40, 663,232.95 and 442,811.40

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Solution

The fourth proportional to 442,811.40, 663,232.95 and 442,811.40 is: 663,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,811.40 : 663,232.95 = 442,811.40 : x
  2. Step 2: Convert to fraction form
    442,811.40/663,232.95 = 442,811.40/x
  3. Step 3: Cross multiply
    442,811.40x = 663,232.95 × 442,811.40
  4. Step 4: Simplify right side
    442,811.40x = 293,687,111,115.63
  5. Step 5: Solve for x
    x = 293,687,111,115.63/442,811.40
  6. Step 6: Final answer
    x = 663,232.95

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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.