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Finding the Fourth Proportional to 668,267.60, 1,002,401.40 and 601,912.40

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Solution

The fourth proportional to 668,267.60, 1,002,401.40 and 601,912.40 is: 902,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,267.60 : 1,002,401.40 = 601,912.40 : x
  2. Step 2: Convert to fraction form
    668,267.60/1,002,401.40 = 601,912.40/x
  3. Step 3: Cross multiply
    668,267.60x = 1,002,401.40 × 601,912.40
  4. Step 4: Simplify right side
    668,267.60x = 603,357,832,437.36
  5. Step 5: Solve for x
    x = 603,357,832,437.36/668,267.60
  6. Step 6: Final answer
    x = 902,868.60

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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.