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Finding the Fourth Proportional to 483,060.60, 724,590.90 and 349,216.20

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Solution

The fourth proportional to 483,060.60, 724,590.90 and 349,216.20 is: 523,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,060.60 : 724,590.90 = 349,216.20 : x
  2. Step 2: Convert to fraction form
    483,060.60/724,590.90 = 349,216.20/x
  3. Step 3: Cross multiply
    483,060.60x = 724,590.90 × 349,216.20
  4. Step 4: Simplify right side
    483,060.60x = 253,038,880,652.58
  5. Step 5: Solve for x
    x = 253,038,880,652.58/483,060.60
  6. Step 6: Final answer
    x = 523,824.30

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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.