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Finding the Fourth Proportional to 353,033.85, 487,187.33 and 191,888.46

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Solution

The fourth proportional to 353,033.85, 487,187.33 and 191,888.46 is: 264,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,033.85 : 487,187.33 = 191,888.46 : x
  2. Step 2: Convert to fraction form
    353,033.85/487,187.33 = 191,888.46/x
  3. Step 3: Cross multiply
    353,033.85x = 487,187.33 × 191,888.46
  4. Step 4: Simplify right side
    353,033.85x = 93,485,626,964.93
  5. Step 5: Solve for x
    x = 93,485,626,964.93/353,033.85
  6. Step 6: Final answer
    x = 264,806.41

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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.