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Finding the Fourth Proportional to 532,040.67, 734,193.31 and 290,317.23

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Solution

The fourth proportional to 532,040.67, 734,193.31 and 290,317.23 is: 400,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,040.67 : 734,193.31 = 290,317.23 : x
  2. Step 2: Convert to fraction form
    532,040.67/734,193.31 = 290,317.23/x
  3. Step 3: Cross multiply
    532,040.67x = 734,193.31 × 290,317.23
  4. Step 4: Simplify right side
    532,040.67x = 213,148,966,592.15
  5. Step 5: Solve for x
    x = 213,148,966,592.15/532,040.67
  6. Step 6: Final answer
    x = 400,625.33

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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.