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Finding the Fourth Proportional to 526,950.42, 790,551.36 and 171,965.10

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Solution

The fourth proportional to 526,950.42, 790,551.36 and 171,965.10 is: 257,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,950.42 : 790,551.36 = 171,965.10 : x
  2. Step 2: Convert to fraction form
    526,950.42/790,551.36 = 171,965.10/x
  3. Step 3: Cross multiply
    526,950.42x = 790,551.36 × 171,965.10
  4. Step 4: Simplify right side
    526,950.42x = 135,947,243,677.54
  5. Step 5: Solve for x
    x = 135,947,243,677.54/526,950.42
  6. Step 6: Final answer
    x = 257,988.68

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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.