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Finding the Fourth Proportional to 348,751.63, 523,132.30 and 99,433.63

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Solution

The fourth proportional to 348,751.63, 523,132.30 and 99,433.63 is: 149,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,751.63 : 523,132.30 = 99,433.63 : x
  2. Step 2: Convert to fraction form
    348,751.63/523,132.30 = 99,433.63/x
  3. Step 3: Cross multiply
    348,751.63x = 523,132.30 × 99,433.63
  4. Step 4: Simplify right side
    348,751.63x = 52,016,943,559.25
  5. Step 5: Solve for x
    x = 52,016,943,559.25/348,751.63
  6. Step 6: Final answer
    x = 149,151.83

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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.