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Finding the Fourth Proportional to 972,002.30, 1,362,202.90 and 972,002.30

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Solution

The fourth proportional to 972,002.30, 1,362,202.90 and 972,002.30 is: 1,362,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.30 : 1,362,202.90 = 972,002.30 : x
  2. Step 2: Convert to fraction form
    972,002.30/1,362,202.90 = 972,002.30/x
  3. Step 3: Cross multiply
    972,002.30x = 1,362,202.90 × 972,002.30
  4. Step 4: Simplify right side
    972,002.30x = 1,324,064,351,866.67
  5. Step 5: Solve for x
    x = 1,324,064,351,866.67/972,002.30
  6. Step 6: Final answer
    x = 1,362,202.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.