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Finding the Fourth Proportional to 362,807.60, 544,211.40 and 262,756.40

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Solution

The fourth proportional to 362,807.60, 544,211.40 and 262,756.40 is: 394,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,807.60 : 544,211.40 = 262,756.40 : x
  2. Step 2: Convert to fraction form
    362,807.60/544,211.40 = 262,756.40/x
  3. Step 3: Cross multiply
    362,807.60x = 544,211.40 × 262,756.40
  4. Step 4: Simplify right side
    362,807.60x = 142,995,028,302.96
  5. Step 5: Solve for x
    x = 142,995,028,302.96/362,807.60
  6. Step 6: Final answer
    x = 394,134.60

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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.