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Finding the Fourth Proportional to 606,987.64, 837,643.11 and 335,055.71

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Solution

The fourth proportional to 606,987.64, 837,643.11 and 335,055.71 is: 462,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,987.64 : 837,643.11 = 335,055.71 : x
  2. Step 2: Convert to fraction form
    606,987.64/837,643.11 = 335,055.71/x
  3. Step 3: Cross multiply
    606,987.64x = 837,643.11 × 335,055.71
  4. Step 4: Simplify right side
    606,987.64x = 280,657,101,084.16
  5. Step 5: Solve for x
    x = 280,657,101,084.16/606,987.64
  6. Step 6: Final answer
    x = 462,376.97

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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.