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Finding the Fourth Proportional to 353,522.08, 487,870.74 and 192,387.52

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Solution

The fourth proportional to 353,522.08, 487,870.74 and 192,387.52 is: 265,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,522.08 : 487,870.74 = 192,387.52 : x
  2. Step 2: Convert to fraction form
    353,522.08/487,870.74 = 192,387.52/x
  3. Step 3: Cross multiply
    353,522.08x = 487,870.74 × 192,387.52
  4. Step 4: Simplify right side
    353,522.08x = 93,860,241,749.16
  5. Step 5: Solve for x
    x = 93,860,241,749.16/353,522.08
  6. Step 6: Final answer
    x = 265,500.37

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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.