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Finding the Fourth Proportional to 532,745.32, 735,194.10 and 291,035.56

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Solution

The fourth proportional to 532,745.32, 735,194.10 and 291,035.56 is: 401,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,745.32 : 735,194.10 = 291,035.56 : x
  2. Step 2: Convert to fraction form
    532,745.32/735,194.10 = 291,035.56/x
  3. Step 3: Cross multiply
    532,745.32x = 735,194.10 × 291,035.56
  4. Step 4: Simplify right side
    532,745.32x = 213,967,626,602.20
  5. Step 5: Solve for x
    x = 213,967,626,602.20/532,745.32
  6. Step 6: Final answer
    x = 401,632.11

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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.