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Finding the Fourth Proportional to 579,661.58, 799,781.64 and 334,586.36

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Solution

The fourth proportional to 579,661.58, 799,781.64 and 334,586.36 is: 461,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,661.58 : 799,781.64 = 334,586.36 : x
  2. Step 2: Convert to fraction form
    579,661.58/799,781.64 = 334,586.36/x
  3. Step 3: Cross multiply
    579,661.58x = 799,781.64 × 334,586.36
  4. Step 4: Simplify right side
    579,661.58x = 267,596,027,722.43
  5. Step 5: Solve for x
    x = 267,596,027,722.43/579,661.58
  6. Step 6: Final answer
    x = 461,641.82

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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.