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Finding the Fourth Proportional to 620,952.08, 931,428.20 and 194,521.14

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Solution

The fourth proportional to 620,952.08, 931,428.20 and 194,521.14 is: 291,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,952.08 : 931,428.20 = 194,521.14 : x
  2. Step 2: Convert to fraction form
    620,952.08/931,428.20 = 194,521.14/x
  3. Step 3: Cross multiply
    620,952.08x = 931,428.20 × 194,521.14
  4. Step 4: Simplify right side
    620,952.08x = 181,182,474,319.54
  5. Step 5: Solve for x
    x = 181,182,474,319.54/620,952.08
  6. Step 6: Final answer
    x = 291,781.74

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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.