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Finding the Fourth Proportional to 712,000.06, 1,068,175.08 and 213,364.06

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Solution

The fourth proportional to 712,000.06, 1,068,175.08 and 213,364.06 is: 320,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,000.06 : 1,068,175.08 = 213,364.06 : x
  2. Step 2: Convert to fraction form
    712,000.06/1,068,175.08 = 213,364.06/x
  3. Step 3: Cross multiply
    712,000.06x = 1,068,175.08 × 213,364.06
  4. Step 4: Simplify right side
    712,000.06x = 227,910,171,859.63
  5. Step 5: Solve for x
    x = 227,910,171,859.63/712,000.06
  6. Step 6: Final answer
    x = 320,098.53

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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.