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Finding the Fourth Proportional to 606,839.11, 837,409.59 and 348,534.37

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Solution

The fourth proportional to 606,839.11, 837,409.59 and 348,534.37 is: 480,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,839.11 : 837,409.59 = 348,534.37 : x
  2. Step 2: Convert to fraction form
    606,839.11/837,409.59 = 348,534.37/x
  3. Step 3: Cross multiply
    606,839.11x = 837,409.59 × 348,534.37
  4. Step 4: Simplify right side
    606,839.11x = 291,866,023,882.61
  5. Step 5: Solve for x
    x = 291,866,023,882.61/606,839.11
  6. Step 6: Final answer
    x = 480,961.13

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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.