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Finding the Fourth Proportional to 356,856.63, 492,417.19 and 195,669.26

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Solution

The fourth proportional to 356,856.63, 492,417.19 and 195,669.26 is: 269,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,856.63 : 492,417.19 = 195,669.26 : x
  2. Step 2: Convert to fraction form
    356,856.63/492,417.19 = 195,669.26/x
  3. Step 3: Cross multiply
    356,856.63x = 492,417.19 × 195,669.26
  4. Step 4: Simplify right side
    356,856.63x = 96,350,907,178.58
  5. Step 5: Solve for x
    x = 96,350,907,178.58/356,856.63
  6. Step 6: Final answer
    x = 269,998.93

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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.