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Finding the Fourth Proportional to 353,561.01, 487,904.85 and 192,412.62

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Solution

The fourth proportional to 353,561.01, 487,904.85 and 192,412.62 is: 265,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,561.01 : 487,904.85 = 192,412.62 : x
  2. Step 2: Convert to fraction form
    353,561.01/487,904.85 = 192,412.62/x
  3. Step 3: Cross multiply
    353,561.01x = 487,904.85 × 192,412.62
  4. Step 4: Simplify right side
    353,561.01x = 93,879,050,499.21
  5. Step 5: Solve for x
    x = 93,879,050,499.21/353,561.01
  6. Step 6: Final answer
    x = 265,524.33

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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.