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Finding the Fourth Proportional to 222,510.20, 312,301.60 and 222,510.20

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Solution

The fourth proportional to 222,510.20, 312,301.60 and 222,510.20 is: 312,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,510.20 : 312,301.60 = 222,510.20 : x
  2. Step 2: Convert to fraction form
    222,510.20/312,301.60 = 222,510.20/x
  3. Step 3: Cross multiply
    222,510.20x = 312,301.60 × 222,510.20
  4. Step 4: Simplify right side
    222,510.20x = 69,490,291,476.32
  5. Step 5: Solve for x
    x = 69,490,291,476.32/222,510.20
  6. Step 6: Final answer
    x = 312,301.60

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1.5x scale

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.