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Finding the Fourth Proportional to 622,694.16, 934,036.92 and 243,653.04

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Solution

The fourth proportional to 622,694.16, 934,036.92 and 243,653.04 is: 365,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,694.16 : 934,036.92 = 243,653.04 : x
  2. Step 2: Convert to fraction form
    622,694.16/934,036.92 = 243,653.04/x
  3. Step 3: Cross multiply
    622,694.16x = 934,036.92 × 243,653.04
  4. Step 4: Simplify right side
    622,694.16x = 227,580,935,030.24
  5. Step 5: Solve for x
    x = 227,580,935,030.24/622,694.16
  6. Step 6: Final answer
    x = 365,477.87

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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.