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Finding the Fourth Proportional to 635,589.48, 877,682.76 and 474,164.16

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Solution

The fourth proportional to 635,589.48, 877,682.76 and 474,164.16 is: 654,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,589.48 : 877,682.76 = 474,164.16 : x
  2. Step 2: Convert to fraction form
    635,589.48/877,682.76 = 474,164.16/x
  3. Step 3: Cross multiply
    635,589.48x = 877,682.76 × 474,164.16
  4. Step 4: Simplify right side
    635,589.48x = 416,165,708,641.88
  5. Step 5: Solve for x
    x = 416,165,708,641.88/635,589.48
  6. Step 6: Final answer
    x = 654,771.23

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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.