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Finding the Fourth Proportional to 532,117.05, 734,323.73 and 290,404.74

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Solution

The fourth proportional to 532,117.05, 734,323.73 and 290,404.74 is: 400,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,117.05 : 734,323.73 = 290,404.74 : x
  2. Step 2: Convert to fraction form
    532,117.05/734,323.73 = 290,404.74/x
  3. Step 3: Cross multiply
    532,117.05x = 734,323.73 × 290,404.74
  4. Step 4: Simplify right side
    532,117.05x = 213,251,093,188.17
  5. Step 5: Solve for x
    x = 213,251,093,188.17/532,117.05
  6. Step 6: Final answer
    x = 400,759.75

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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.