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Finding the Fourth Proportional to 623,176.70, 934,765.05 and 223,879.10

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Solution

The fourth proportional to 623,176.70, 934,765.05 and 223,879.10 is: 335,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,176.70 : 934,765.05 = 223,879.10 : x
  2. Step 2: Convert to fraction form
    623,176.70/934,765.05 = 223,879.10/x
  3. Step 3: Cross multiply
    623,176.70x = 934,765.05 × 223,879.10
  4. Step 4: Simplify right side
    623,176.70x = 209,274,358,105.46
  5. Step 5: Solve for x
    x = 209,274,358,105.46/623,176.70
  6. Step 6: Final answer
    x = 335,818.65

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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.