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Finding the Fourth Proportional to 217,311.60, 304,443.60 and 217,311.60

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Solution

The fourth proportional to 217,311.60, 304,443.60 and 217,311.60 is: 304,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,311.60 : 304,443.60 = 217,311.60 : x
  2. Step 2: Convert to fraction form
    217,311.60/304,443.60 = 217,311.60/x
  3. Step 3: Cross multiply
    217,311.60x = 304,443.60 × 217,311.60
  4. Step 4: Simplify right side
    217,311.60x = 66,159,125,825.76
  5. Step 5: Solve for x
    x = 66,159,125,825.76/217,311.60
  6. Step 6: Final answer
    x = 304,443.60

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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.