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Finding the Fourth Proportional to 606,642.39, 837,240.63 and 348,518.85

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Solution

The fourth proportional to 606,642.39, 837,240.63 and 348,518.85 is: 480,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,642.39 : 837,240.63 = 348,518.85 : x
  2. Step 2: Convert to fraction form
    606,642.39/837,240.63 = 348,518.85/x
  3. Step 3: Cross multiply
    606,642.39x = 837,240.63 × 348,518.85
  4. Step 4: Simplify right side
    606,642.39x = 291,794,141,540.88
  5. Step 5: Solve for x
    x = 291,794,141,540.88/606,642.39
  6. Step 6: Final answer
    x = 480,998.60

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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.