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Finding the Fourth Proportional to 467,723.70, 701,585.55 and 290,430.90

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Solution

The fourth proportional to 467,723.70, 701,585.55 and 290,430.90 is: 435,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,723.70 : 701,585.55 = 290,430.90 : x
  2. Step 2: Convert to fraction form
    467,723.70/701,585.55 = 290,430.90/x
  3. Step 3: Cross multiply
    467,723.70x = 701,585.55 × 290,430.90
  4. Step 4: Simplify right side
    467,723.70x = 203,762,122,713.50
  5. Step 5: Solve for x
    x = 203,762,122,713.50/467,723.70
  6. Step 6: Final answer
    x = 435,646.35

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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.