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Finding the Fourth Proportional to 353,586.24, 487,953 and 192,442.32

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Solution

The fourth proportional to 353,586.24, 487,953 and 192,442.32 is: 265,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,586.24 : 487,953 = 192,442.32 : x
  2. Step 2: Convert to fraction form
    353,586.24/487,953 = 192,442.32/x
  3. Step 3: Cross multiply
    353,586.24x = 487,953 × 192,442.32
  4. Step 4: Simplify right side
    353,586.24x = 93,902,807,370.96
  5. Step 5: Solve for x
    x = 93,902,807,370.96/353,586.24
  6. Step 6: Final answer
    x = 265,572.57

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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.