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Finding the Fourth Proportional to 532,250.40, 796,431.60 and 392,282.40

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Solution

The fourth proportional to 532,250.40, 796,431.60 and 392,282.40 is: 586,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,250.40 : 796,431.60 = 392,282.40 : x
  2. Step 2: Convert to fraction form
    532,250.40/796,431.60 = 392,282.40/x
  3. Step 3: Cross multiply
    532,250.40x = 796,431.60 × 392,282.40
  4. Step 4: Simplify right side
    532,250.40x = 312,426,099,483.84
  5. Step 5: Solve for x
    x = 312,426,099,483.84/532,250.40
  6. Step 6: Final answer
    x = 586,990.82

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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.