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Finding the Fourth Proportional to 553,750.70, 830,626.05 and 364,793.90

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Solution

The fourth proportional to 553,750.70, 830,626.05 and 364,793.90 is: 547,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,750.70 : 830,626.05 = 364,793.90 : x
  2. Step 2: Convert to fraction form
    553,750.70/830,626.05 = 364,793.90/x
  3. Step 3: Cross multiply
    553,750.70x = 830,626.05 × 364,793.90
  4. Step 4: Simplify right side
    553,750.70x = 303,007,316,221.10
  5. Step 5: Solve for x
    x = 303,007,316,221.10/553,750.70
  6. Step 6: Final answer
    x = 547,190.85

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Similar ratio
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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.