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Finding the Fourth Proportional to 536,890.68, 805,317.39 and 137,534.76

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Solution

The fourth proportional to 536,890.68, 805,317.39 and 137,534.76 is: 206,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,890.68 : 805,317.39 = 137,534.76 : x
  2. Step 2: Convert to fraction form
    536,890.68/805,317.39 = 137,534.76/x
  3. Step 3: Cross multiply
    536,890.68x = 805,317.39 × 137,534.76
  4. Step 4: Simplify right side
    536,890.68x = 110,759,133,957.48
  5. Step 5: Solve for x
    x = 110,759,133,957.48/536,890.68
  6. Step 6: Final answer
    x = 206,297.37

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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.