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Finding the Fourth Proportional to 675,175.96, 931,705.14 and 369,191.62

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Solution

The fourth proportional to 675,175.96, 931,705.14 and 369,191.62 is: 509,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,175.96 : 931,705.14 = 369,191.62 : x
  2. Step 2: Convert to fraction form
    675,175.96/931,705.14 = 369,191.62/x
  3. Step 3: Cross multiply
    675,175.96x = 931,705.14 × 369,191.62
  4. Step 4: Simplify right side
    675,175.96x = 343,977,729,998.93
  5. Step 5: Solve for x
    x = 343,977,729,998.93/675,175.96
  6. Step 6: Final answer
    x = 509,463.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.