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Finding the Fourth Proportional to 362,356.64, 500,098.28 and 219,117.72

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Solution

The fourth proportional to 362,356.64, 500,098.28 and 219,117.72 is: 302,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,356.64 : 500,098.28 = 219,117.72 : x
  2. Step 2: Convert to fraction form
    362,356.64/500,098.28 = 219,117.72/x
  3. Step 3: Cross multiply
    362,356.64x = 500,098.28 × 219,117.72
  4. Step 4: Simplify right side
    362,356.64x = 109,580,394,889.52
  5. Step 5: Solve for x
    x = 109,580,394,889.52/362,356.64
  6. Step 6: Final answer
    x = 302,410.34

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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.