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Finding the Fourth Proportional to 356,842.76, 492,449.72 and 195,688.17

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Solution

The fourth proportional to 356,842.76, 492,449.72 and 195,688.17 is: 270,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,842.76 : 492,449.72 = 195,688.17 : x
  2. Step 2: Convert to fraction form
    356,842.76/492,449.72 = 195,688.17/x
  3. Step 3: Cross multiply
    356,842.76x = 492,449.72 × 195,688.17
  4. Step 4: Simplify right side
    356,842.76x = 96,366,583,545.37
  5. Step 5: Solve for x
    x = 96,366,583,545.37/356,842.76
  6. Step 6: Final answer
    x = 270,053.36

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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.