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Finding the Fourth Proportional to 360,443.37, 497,376.78 and 199,276.35

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Solution

The fourth proportional to 360,443.37, 497,376.78 and 199,276.35 is: 274,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,443.37 : 497,376.78 = 199,276.35 : x
  2. Step 2: Convert to fraction form
    360,443.37/497,376.78 = 199,276.35/x
  3. Step 3: Cross multiply
    360,443.37x = 497,376.78 × 199,276.35
  4. Step 4: Simplify right side
    360,443.37x = 99,115,429,293.15
  5. Step 5: Solve for x
    x = 99,115,429,293.15/360,443.37
  6. Step 6: Final answer
    x = 274,981.97

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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.