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Finding the Fourth Proportional to 362,905.60, 544,358.40 and 262,854.40

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Solution

The fourth proportional to 362,905.60, 544,358.40 and 262,854.40 is: 394,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,905.60 : 544,358.40 = 262,854.40 : x
  2. Step 2: Convert to fraction form
    362,905.60/544,358.40 = 262,854.40/x
  3. Step 3: Cross multiply
    362,905.60x = 544,358.40 × 262,854.40
  4. Step 4: Simplify right side
    362,905.60x = 143,087,000,616.96
  5. Step 5: Solve for x
    x = 143,087,000,616.96/362,905.60
  6. Step 6: Final answer
    x = 394,281.60

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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.