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Finding the Fourth Proportional to 483,245.43, 724,182.66 and 355,886.85

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Solution

The fourth proportional to 483,245.43, 724,182.66 and 355,886.85 is: 533,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,245.43 : 724,182.66 = 355,886.85 : x
  2. Step 2: Convert to fraction form
    483,245.43/724,182.66 = 355,886.85/x
  3. Step 3: Cross multiply
    483,245.43x = 724,182.66 × 355,886.85
  4. Step 4: Simplify right side
    483,245.43x = 257,727,085,692.02
  5. Step 5: Solve for x
    x = 257,727,085,692.02/483,245.43
  6. Step 6: Final answer
    x = 533,325.45

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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.