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Finding the Fourth Proportional to 553,601.35, 830,402.03 and 179,624.35

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Solution

The fourth proportional to 553,601.35, 830,402.03 and 179,624.35 is: 269,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,601.35 : 830,402.03 = 179,624.35 : x
  2. Step 2: Convert to fraction form
    553,601.35/830,402.03 = 179,624.35/x
  3. Step 3: Cross multiply
    553,601.35x = 830,402.03 × 179,624.35
  4. Step 4: Simplify right side
    553,601.35x = 149,160,424,877.43
  5. Step 5: Solve for x
    x = 149,160,424,877.43/553,601.35
  6. Step 6: Final answer
    x = 269,436.53

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Similar ratio
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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.