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Finding the Fourth Proportional to 572,846.65, 790,540.91 and 314,726.92

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Solution

The fourth proportional to 572,846.65, 790,540.91 and 314,726.92 is: 434,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,846.65 : 790,540.91 = 314,726.92 : x
  2. Step 2: Convert to fraction form
    572,846.65/790,540.91 = 314,726.92/x
  3. Step 3: Cross multiply
    572,846.65x = 790,540.91 × 314,726.92
  4. Step 4: Simplify right side
    572,846.65x = 248,804,504,164.66
  5. Step 5: Solve for x
    x = 248,804,504,164.66/572,846.65
  6. Step 6: Final answer
    x = 434,330.03

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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.