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Finding the Fourth Proportional to 216,874.80, 304,246.80 and 216,874.80

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Solution

The fourth proportional to 216,874.80, 304,246.80 and 216,874.80 is: 304,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,874.80 : 304,246.80 = 216,874.80 : x
  2. Step 2: Convert to fraction form
    216,874.80/304,246.80 = 216,874.80/x
  3. Step 3: Cross multiply
    216,874.80x = 304,246.80 × 216,874.80
  4. Step 4: Simplify right side
    216,874.80x = 65,983,463,900.64
  5. Step 5: Solve for x
    x = 65,983,463,900.64/216,874.80
  6. Step 6: Final answer
    x = 304,246.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.