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Finding the Fourth Proportional to 622,865.70, 934,298.55 and 202,184.10

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Solution

The fourth proportional to 622,865.70, 934,298.55 and 202,184.10 is: 303,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,865.70 : 934,298.55 = 202,184.10 : x
  2. Step 2: Convert to fraction form
    622,865.70/934,298.55 = 202,184.10/x
  3. Step 3: Cross multiply
    622,865.70x = 934,298.55 × 202,184.10
  4. Step 4: Simplify right side
    622,865.70x = 188,900,311,463.06
  5. Step 5: Solve for x
    x = 188,900,311,463.06/622,865.70
  6. Step 6: Final answer
    x = 303,276.15

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Double scale
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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.