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Finding the Fourth Proportional to 566,741.12, 843,421.12 and 547,842.56

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Solution

The fourth proportional to 566,741.12, 843,421.12 and 547,842.56 is: 815,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,741.12 : 843,421.12 = 547,842.56 : x
  2. Step 2: Convert to fraction form
    566,741.12/843,421.12 = 547,842.56/x
  3. Step 3: Cross multiply
    566,741.12x = 843,421.12 × 547,842.56
  4. Step 4: Simplify right side
    566,741.12x = 462,061,985,538.87
  5. Step 5: Solve for x
    x = 462,061,985,538.87/566,741.12
  6. Step 6: Final answer
    x = 815,296.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.