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Finding the Fourth Proportional to 325,813.74, 487,698.18 and 224,017.77

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Solution

The fourth proportional to 325,813.74, 487,698.18 and 224,017.77 is: 335,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,813.74 : 487,698.18 = 224,017.77 : x
  2. Step 2: Convert to fraction form
    325,813.74/487,698.18 = 224,017.77/x
  3. Step 3: Cross multiply
    325,813.74x = 487,698.18 × 224,017.77
  4. Step 4: Simplify right side
    325,813.74x = 109,253,059,705.46
  5. Step 5: Solve for x
    x = 109,253,059,705.46/325,813.74
  6. Step 6: Final answer
    x = 335,323.68

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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.