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Finding the Fourth Proportional to 536,325.57, 804,487.59 and 136,966.59

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Solution

The fourth proportional to 536,325.57, 804,487.59 and 136,966.59 is: 205,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,325.57 : 804,487.59 = 136,966.59 : x
  2. Step 2: Convert to fraction form
    536,325.57/804,487.59 = 136,966.59/x
  3. Step 3: Cross multiply
    536,325.57x = 804,487.59 × 136,966.59
  4. Step 4: Simplify right side
    536,325.57x = 110,187,921,899.62
  5. Step 5: Solve for x
    x = 110,187,921,899.62/536,325.57
  6. Step 6: Final answer
    x = 205,449.69

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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.