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Finding the Fourth Proportional to 524,066.68, 786,023.34 and 257,755.60

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Solution

The fourth proportional to 524,066.68, 786,023.34 and 257,755.60 is: 386,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,066.68 : 786,023.34 = 257,755.60 : x
  2. Step 2: Convert to fraction form
    524,066.68/786,023.34 = 257,755.60/x
  3. Step 3: Cross multiply
    524,066.68x = 786,023.34 × 257,755.60
  4. Step 4: Simplify right side
    524,066.68x = 202,601,917,615.70
  5. Step 5: Solve for x
    x = 202,601,917,615.70/524,066.68
  6. Step 6: Final answer
    x = 386,595.69

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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.