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Finding the Fourth Proportional to 532,552.32, 734,918.46 and 290,834.95

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Solution

The fourth proportional to 532,552.32, 734,918.46 and 290,834.95 is: 401,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,552.32 : 734,918.46 = 290,834.95 : x
  2. Step 2: Convert to fraction form
    532,552.32/734,918.46 = 290,834.95/x
  3. Step 3: Cross multiply
    532,552.32x = 734,918.46 × 290,834.95
  4. Step 4: Simplify right side
    532,552.32x = 213,739,973,568.18
  5. Step 5: Solve for x
    x = 213,739,973,568.18/532,552.32
  6. Step 6: Final answer
    x = 401,350.19

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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.