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Finding the Fourth Proportional to 532,976.75, 735,517.58 and 291,269.51

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Solution

The fourth proportional to 532,976.75, 735,517.58 and 291,269.51 is: 401,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,976.75 : 735,517.58 = 291,269.51 : x
  2. Step 2: Convert to fraction form
    532,976.75/735,517.58 = 291,269.51/x
  3. Step 3: Cross multiply
    532,976.75x = 735,517.58 × 291,269.51
  4. Step 4: Simplify right side
    532,976.75x = 214,233,845,122.99
  5. Step 5: Solve for x
    x = 214,233,845,122.99/532,976.75
  6. Step 6: Final answer
    x = 401,957.21

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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.