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Finding the Fourth Proportional to 3,734,785.80, 5,602,178.70 and 2,459,327.40

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Solution

The fourth proportional to 3,734,785.80, 5,602,178.70 and 2,459,327.40 is: 3,688,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734,785.80 : 5,602,178.70 = 2,459,327.40 : x
  2. Step 2: Convert to fraction form
    3,734,785.80/5,602,178.70 = 2,459,327.40/x
  3. Step 3: Cross multiply
    3,734,785.80x = 5,602,178.70 × 2,459,327.40
  4. Step 4: Simplify right side
    3,734,785.80x = 13,777,591,576,606.38
  5. Step 5: Solve for x
    x = 13,777,591,576,606.38/3,734,785.80
  6. Step 6: Final answer
    x = 3,688,991.10

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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.