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Finding the Fourth Proportional to 282,501.99, 423,753.72 and 69,270.84

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Solution

The fourth proportional to 282,501.99, 423,753.72 and 69,270.84 is: 103,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,501.99 : 423,753.72 = 69,270.84 : x
  2. Step 2: Convert to fraction form
    282,501.99/423,753.72 = 69,270.84/x
  3. Step 3: Cross multiply
    282,501.99x = 423,753.72 × 69,270.84
  4. Step 4: Simplify right side
    282,501.99x = 29,353,776,137.52
  5. Step 5: Solve for x
    x = 29,353,776,137.52/282,501.99
  6. Step 6: Final answer
    x = 103,906.44

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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.