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Finding the Fourth Proportional to 483,337.20, 724,314.60 and 335,420.40

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Solution

The fourth proportional to 483,337.20, 724,314.60 and 335,420.40 is: 502,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,337.20 : 724,314.60 = 335,420.40 : x
  2. Step 2: Convert to fraction form
    483,337.20/724,314.60 = 335,420.40/x
  3. Step 3: Cross multiply
    483,337.20x = 724,314.60 × 335,420.40
  4. Step 4: Simplify right side
    483,337.20x = 242,949,892,857.84
  5. Step 5: Solve for x
    x = 242,949,892,857.84/483,337.20
  6. Step 6: Final answer
    x = 502,650.93

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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.