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Finding the Fourth Proportional to 370,055.54, 510,689.02 and 226,787.90

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Solution

The fourth proportional to 370,055.54, 510,689.02 and 226,787.90 is: 312,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,055.54 : 510,689.02 = 226,787.90 : x
  2. Step 2: Convert to fraction form
    370,055.54/510,689.02 = 226,787.90/x
  3. Step 3: Cross multiply
    370,055.54x = 510,689.02 × 226,787.90
  4. Step 4: Simplify right side
    370,055.54x = 115,818,090,398.86
  5. Step 5: Solve for x
    x = 115,818,090,398.86/370,055.54
  6. Step 6: Final answer
    x = 312,974.89

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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.