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Finding the Fourth Proportional to 268,763.84, 370,817.16 and 173,325.32

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Solution

The fourth proportional to 268,763.84, 370,817.16 and 173,325.32 is: 239,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,763.84 : 370,817.16 = 173,325.32 : x
  2. Step 2: Convert to fraction form
    268,763.84/370,817.16 = 173,325.32/x
  3. Step 3: Cross multiply
    268,763.84x = 370,817.16 × 173,325.32
  4. Step 4: Simplify right side
    268,763.84x = 64,272,002,918.49
  5. Step 5: Solve for x
    x = 64,272,002,918.49/268,763.84
  6. Step 6: Final answer
    x = 239,139.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.