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Finding the Fourth Proportional to 282,494.45, 423,742.39 and 69,263.33

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Solution

The fourth proportional to 282,494.45, 423,742.39 and 69,263.33 is: 103,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,494.45 : 423,742.39 = 69,263.33 : x
  2. Step 2: Convert to fraction form
    282,494.45/423,742.39 = 69,263.33/x
  3. Step 3: Cross multiply
    282,494.45x = 423,742.39 × 69,263.33
  4. Step 4: Simplify right side
    282,494.45x = 29,349,806,701.69
  5. Step 5: Solve for x
    x = 29,349,806,701.69/282,494.45
  6. Step 6: Final answer
    x = 103,895.16

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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.