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Finding the Fourth Proportional to 223,775.70, 335,663.55 and 215,027.70

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Solution

The fourth proportional to 223,775.70, 335,663.55 and 215,027.70 is: 322,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,775.70 : 335,663.55 = 215,027.70 : x
  2. Step 2: Convert to fraction form
    223,775.70/335,663.55 = 215,027.70/x
  3. Step 3: Cross multiply
    223,775.70x = 335,663.55 × 215,027.70
  4. Step 4: Simplify right side
    223,775.70x = 72,176,961,130.34
  5. Step 5: Solve for x
    x = 72,176,961,130.34/223,775.70
  6. Step 6: Final answer
    x = 322,541.55

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1.5x scale

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.