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Finding the Fourth Proportional to 532,468.37, 798,936.70 and 279,690.15

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Solution

The fourth proportional to 532,468.37, 798,936.70 and 279,690.15 is: 419,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,468.37 : 798,936.70 = 279,690.15 : x
  2. Step 2: Convert to fraction form
    532,468.37/798,936.70 = 279,690.15/x
  3. Step 3: Cross multiply
    532,468.37x = 798,936.70 × 279,690.15
  4. Step 4: Simplify right side
    532,468.37x = 223,454,725,463.51
  5. Step 5: Solve for x
    x = 223,454,725,463.51/532,468.37
  6. Step 6: Final answer
    x = 419,658.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.