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Finding the Fourth Proportional to 574,150.65, 792,321.66 and 316,022.01

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Solution

The fourth proportional to 574,150.65, 792,321.66 and 316,022.01 is: 436,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,150.65 : 792,321.66 = 316,022.01 : x
  2. Step 2: Convert to fraction form
    574,150.65/792,321.66 = 316,022.01/x
  3. Step 3: Cross multiply
    574,150.65x = 792,321.66 × 316,022.01
  4. Step 4: Simplify right side
    574,150.65x = 250,391,083,559.74
  5. Step 5: Solve for x
    x = 250,391,083,559.74/574,150.65
  6. Step 6: Final answer
    x = 436,106.94

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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.