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Finding the Fourth Proportional to 530,839.84, 796,394.68 and 156,862.88

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Solution

The fourth proportional to 530,839.84, 796,394.68 and 156,862.88 is: 235,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,839.84 : 796,394.68 = 156,862.88 : x
  2. Step 2: Convert to fraction form
    530,839.84/796,394.68 = 156,862.88/x
  3. Step 3: Cross multiply
    530,839.84x = 796,394.68 × 156,862.88
  4. Step 4: Simplify right side
    530,839.84x = 124,924,763,121.48
  5. Step 5: Solve for x
    x = 124,924,763,121.48/530,839.84
  6. Step 6: Final answer
    x = 235,334.19

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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.