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Finding the Fourth Proportional to 222,510.70, 312,302.30 and 222,510.70

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Solution

The fourth proportional to 222,510.70, 312,302.30 and 222,510.70 is: 312,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,510.70 : 312,302.30 = 222,510.70 : x
  2. Step 2: Convert to fraction form
    222,510.70/312,302.30 = 222,510.70/x
  3. Step 3: Cross multiply
    222,510.70x = 312,302.30 × 222,510.70
  4. Step 4: Simplify right side
    222,510.70x = 69,490,603,384.61
  5. Step 5: Solve for x
    x = 69,490,603,384.61/222,510.70
  6. Step 6: Final answer
    x = 312,302.30

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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.