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Finding the Fourth Proportional to 532,085.00, 734,292.78 and 290,383.15

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Solution

The fourth proportional to 532,085.00, 734,292.78 and 290,383.15 is: 400,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,085.00 : 734,292.78 = 290,383.15 : x
  2. Step 2: Convert to fraction form
    532,085.00/734,292.78 = 290,383.15/x
  3. Step 3: Cross multiply
    532,085.00x = 734,292.78 × 290,383.15
  4. Step 4: Simplify right side
    532,085.00x = 213,226,245,355.28
  5. Step 5: Solve for x
    x = 213,226,245,355.28/532,085.00
  6. Step 6: Final answer
    x = 400,737.19

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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.