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Finding the Fourth Proportional to 574,156.65, 792,329.94 and 316,028.01

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Solution

The fourth proportional to 574,156.65, 792,329.94 and 316,028.01 is: 436,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,156.65 : 792,329.94 = 316,028.01 : x
  2. Step 2: Convert to fraction form
    574,156.65/792,329.94 = 316,028.01/x
  3. Step 3: Cross multiply
    574,156.65x = 792,329.94 × 316,028.01
  4. Step 4: Simplify right side
    574,156.65x = 250,398,454,201.62
  5. Step 5: Solve for x
    x = 250,398,454,201.62/574,156.65
  6. Step 6: Final answer
    x = 436,115.22

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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.