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Finding the Fourth Proportional to 312,282.64, 468,890.52 and 307,617.04

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Solution

The fourth proportional to 312,282.64, 468,890.52 and 307,617.04 is: 461,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,282.64 : 468,890.52 = 307,617.04 : x
  2. Step 2: Convert to fraction form
    312,282.64/468,890.52 = 307,617.04/x
  3. Step 3: Cross multiply
    312,282.64x = 468,890.52 × 307,617.04
  4. Step 4: Simplify right side
    312,282.64x = 144,238,713,846.46
  5. Step 5: Solve for x
    x = 144,238,713,846.46/312,282.64
  6. Step 6: Final answer
    x = 461,885.15

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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.