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Finding the Fourth Proportional to 553,867.20, 830,734.92 and 179,889.84

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Solution

The fourth proportional to 553,867.20, 830,734.92 and 179,889.84 is: 269,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,867.20 : 830,734.92 = 179,889.84 : x
  2. Step 2: Convert to fraction form
    553,867.20/830,734.92 = 179,889.84/x
  3. Step 3: Cross multiply
    553,867.20x = 830,734.92 × 179,889.84
  4. Step 4: Simplify right side
    553,867.20x = 149,440,771,841.21
  5. Step 5: Solve for x
    x = 149,440,771,841.21/553,867.20
  6. Step 6: Final answer
    x = 269,813.36

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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.