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Finding the Fourth Proportional to 370,068.79, 510,707.31 and 226,801.15

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Solution

The fourth proportional to 370,068.79, 510,707.31 and 226,801.15 is: 312,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,068.79 : 510,707.31 = 226,801.15 : x
  2. Step 2: Convert to fraction form
    370,068.79/510,707.31 = 226,801.15/x
  3. Step 3: Cross multiply
    370,068.79x = 510,707.31 × 226,801.15
  4. Step 4: Simplify right side
    370,068.79x = 115,829,005,221.41
  5. Step 5: Solve for x
    x = 115,829,005,221.41/370,068.79
  6. Step 6: Final answer
    x = 312,993.17

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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.