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Finding the Fourth Proportional to 353,516.16, 487,852.16 and 194,540.16

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Solution

The fourth proportional to 353,516.16, 487,852.16 and 194,540.16 is: 268,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,516.16 : 487,852.16 = 194,540.16 : x
  2. Step 2: Convert to fraction form
    353,516.16/487,852.16 = 194,540.16/x
  3. Step 3: Cross multiply
    353,516.16x = 487,852.16 × 194,540.16
  4. Step 4: Simplify right side
    353,516.16x = 94,906,837,262.75
  5. Step 5: Solve for x
    x = 94,906,837,262.75/353,516.16
  6. Step 6: Final answer
    x = 268,465.34

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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.