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Finding the Fourth Proportional to 353,616.96, 487,984.56 and 192,475.56

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Solution

The fourth proportional to 353,616.96, 487,984.56 and 192,475.56 is: 265,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,616.96 : 487,984.56 = 192,475.56 : x
  2. Step 2: Convert to fraction form
    353,616.96/487,984.56 = 192,475.56/x
  3. Step 3: Cross multiply
    353,616.96x = 487,984.56 × 192,475.56
  4. Step 4: Simplify right side
    353,616.96x = 93,925,101,457.35
  5. Step 5: Solve for x
    x = 93,925,101,457.35/353,616.96
  6. Step 6: Final answer
    x = 265,612.55

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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.