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Finding the Fourth Proportional to 532,607.44, 734,994.52 and 290,890.12

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Solution

The fourth proportional to 532,607.44, 734,994.52 and 290,890.12 is: 401,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,607.44 : 734,994.52 = 290,890.12 : x
  2. Step 2: Convert to fraction form
    532,607.44/734,994.52 = 290,890.12/x
  3. Step 3: Cross multiply
    532,607.44x = 734,994.52 × 290,890.12
  4. Step 4: Simplify right side
    532,607.44x = 213,802,644,122.14
  5. Step 5: Solve for x
    x = 213,802,644,122.14/532,607.44
  6. Step 6: Final answer
    x = 401,426.32

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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.