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Finding the Fourth Proportional to 297,656.76, 410,772.78 and 163,529.40

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Solution

The fourth proportional to 297,656.76, 410,772.78 and 163,529.40 is: 225,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,656.76 : 410,772.78 = 163,529.40 : x
  2. Step 2: Convert to fraction form
    297,656.76/410,772.78 = 163,529.40/x
  3. Step 3: Cross multiply
    297,656.76x = 410,772.78 × 163,529.40
  4. Step 4: Simplify right side
    297,656.76x = 67,173,426,249.73
  5. Step 5: Solve for x
    x = 67,173,426,249.73/297,656.76
  6. Step 6: Final answer
    x = 225,674.12

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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.