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Finding the Fourth Proportional to 620,254.82, 930,569.00 and 193,773.42

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Solution

The fourth proportional to 620,254.82, 930,569.00 and 193,773.42 is: 290,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,254.82 : 930,569.00 = 193,773.42 : x
  2. Step 2: Convert to fraction form
    620,254.82/930,569.00 = 193,773.42/x
  3. Step 3: Cross multiply
    620,254.82x = 930,569.00 × 193,773.42
  4. Step 4: Simplify right side
    620,254.82x = 180,319,536,707.11
  5. Step 5: Solve for x
    x = 180,319,536,707.11/620,254.82
  6. Step 6: Final answer
    x = 290,718.48

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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.