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Finding the Fourth Proportional to 572,459.30, 862,803.72 and 493,450.85

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Solution

The fourth proportional to 572,459.30, 862,803.72 and 493,450.85 is: 743,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,459.30 : 862,803.72 = 493,450.85 : x
  2. Step 2: Convert to fraction form
    572,459.30/862,803.72 = 493,450.85/x
  3. Step 3: Cross multiply
    572,459.30x = 862,803.72 × 493,450.85
  4. Step 4: Simplify right side
    572,459.30x = 425,751,229,017.16
  5. Step 5: Solve for x
    x = 425,751,229,017.16/572,459.30
  6. Step 6: Final answer
    x = 743,723.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.