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Finding the Fourth Proportional to 532,879.51, 735,351.86 and 291,170.38

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Solution

The fourth proportional to 532,879.51, 735,351.86 and 291,170.38 is: 401,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,879.51 : 735,351.86 = 291,170.38 : x
  2. Step 2: Convert to fraction form
    532,879.51/735,351.86 = 291,170.38/x
  3. Step 3: Cross multiply
    532,879.51x = 735,351.86 × 291,170.38
  4. Step 4: Simplify right side
    532,879.51x = 214,112,675,377.30
  5. Step 5: Solve for x
    x = 214,112,675,377.30/532,879.51
  6. Step 6: Final answer
    x = 401,803.17

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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.