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Finding the Fourth Proportional to 353,497.43, 487,818.48 and 192,352.93

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Solution

The fourth proportional to 353,497.43, 487,818.48 and 192,352.93 is: 265,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,497.43 : 487,818.48 = 192,352.93 : x
  2. Step 2: Convert to fraction form
    353,497.43/487,818.48 = 192,352.93/x
  3. Step 3: Cross multiply
    353,497.43x = 487,818.48 × 192,352.93
  4. Step 4: Simplify right side
    353,497.43x = 93,833,313,437.92
  5. Step 5: Solve for x
    x = 93,833,313,437.92/353,497.43
  6. Step 6: Final answer
    x = 265,442.70

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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.