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Finding the Fourth Proportional to 636,230.70, 954,346.05 and 192,998.70

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Solution

The fourth proportional to 636,230.70, 954,346.05 and 192,998.70 is: 289,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,230.70 : 954,346.05 = 192,998.70 : x
  2. Step 2: Convert to fraction form
    636,230.70/954,346.05 = 192,998.70/x
  3. Step 3: Cross multiply
    636,230.70x = 954,346.05 × 192,998.70
  4. Step 4: Simplify right side
    636,230.70x = 184,187,547,000.14
  5. Step 5: Solve for x
    x = 184,187,547,000.14/636,230.70
  6. Step 6: Final answer
    x = 289,498.05

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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.