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Finding the Fourth Proportional to 217,406.85, 300,024.44 and 162,862.39

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Solution

The fourth proportional to 217,406.85, 300,024.44 and 162,862.39 is: 224,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,406.85 : 300,024.44 = 162,862.39 : x
  2. Step 2: Convert to fraction form
    217,406.85/300,024.44 = 162,862.39/x
  3. Step 3: Cross multiply
    217,406.85x = 300,024.44 × 162,862.39
  4. Step 4: Simplify right side
    217,406.85x = 48,862,697,356.81
  5. Step 5: Solve for x
    x = 48,862,697,356.81/217,406.85
  6. Step 6: Final answer
    x = 224,752.34

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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.