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Finding the Fourth Proportional to 296,947.60, 445,421.40 and 296,947.60

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Solution

The fourth proportional to 296,947.60, 445,421.40 and 296,947.60 is: 445,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,947.60 : 445,421.40 = 296,947.60 : x
  2. Step 2: Convert to fraction form
    296,947.60/445,421.40 = 296,947.60/x
  3. Step 3: Cross multiply
    296,947.60x = 445,421.40 × 296,947.60
  4. Step 4: Simplify right side
    296,947.60x = 132,266,815,718.64
  5. Step 5: Solve for x
    x = 132,266,815,718.64/296,947.60
  6. Step 6: Final answer
    x = 445,421.40

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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.