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Finding the Fourth Proportional to 353,594.64, 487,972.60 and 192,455.56

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Solution

The fourth proportional to 353,594.64, 487,972.60 and 192,455.56 is: 265,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,594.64 : 487,972.60 = 192,455.56 : x
  2. Step 2: Convert to fraction form
    353,594.64/487,972.60 = 192,455.56/x
  3. Step 3: Cross multiply
    353,594.64x = 487,972.60 × 192,455.56
  4. Step 4: Simplify right side
    353,594.64x = 93,913,039,997.66
  5. Step 5: Solve for x
    x = 93,913,039,997.66/353,594.64
  6. Step 6: Final answer
    x = 265,595.20

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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.