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Finding the Fourth Proportional to 574,203.93, 792,384.89 and 319,549.65

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Solution

The fourth proportional to 574,203.93, 792,384.89 and 319,549.65 is: 440,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,203.93 : 792,384.89 = 319,549.65 : x
  2. Step 2: Convert to fraction form
    574,203.93/792,384.89 = 319,549.65/x
  3. Step 3: Cross multiply
    574,203.93x = 792,384.89 × 319,549.65
  4. Step 4: Simplify right side
    574,203.93x = 253,206,314,264.79
  5. Step 5: Solve for x
    x = 253,206,314,264.79/574,203.93
  6. Step 6: Final answer
    x = 440,969.32

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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.