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Finding the Fourth Proportional to 259,352.52, 358,009.56 and 222,909.72

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Solution

The fourth proportional to 259,352.52, 358,009.56 and 222,909.72 is: 307,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,352.52 : 358,009.56 = 222,909.72 : x
  2. Step 2: Convert to fraction form
    259,352.52/358,009.56 = 222,909.72/x
  3. Step 3: Cross multiply
    259,352.52x = 358,009.56 × 222,909.72
  4. Step 4: Simplify right side
    259,352.52x = 79,803,810,776.92
  5. Step 5: Solve for x
    x = 79,803,810,776.92/259,352.52
  6. Step 6: Final answer
    x = 307,704.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.