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Finding the Fourth Proportional to 606,712.11, 837,261.71 and 334,779.78

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Solution

The fourth proportional to 606,712.11, 837,261.71 and 334,779.78 is: 461,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,712.11 : 837,261.71 = 334,779.78 : x
  2. Step 2: Convert to fraction form
    606,712.11/837,261.71 = 334,779.78/x
  3. Step 3: Cross multiply
    606,712.11x = 837,261.71 × 334,779.78
  4. Step 4: Simplify right side
    606,712.11x = 280,298,293,797.48
  5. Step 5: Solve for x
    x = 280,298,293,797.48/606,712.11
  6. Step 6: Final answer
    x = 461,995.55

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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.