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Finding the Fourth Proportional to 356,957.32, 492,607.68 and 195,820.60

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Solution

The fourth proportional to 356,957.32, 492,607.68 and 195,820.60 is: 270,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,957.32 : 492,607.68 = 195,820.60 : x
  2. Step 2: Convert to fraction form
    356,957.32/492,607.68 = 195,820.60/x
  3. Step 3: Cross multiply
    356,957.32x = 492,607.68 × 195,820.60
  4. Step 4: Simplify right side
    356,957.32x = 96,462,731,462.21
  5. Step 5: Solve for x
    x = 96,462,731,462.21/356,957.32
  6. Step 6: Final answer
    x = 270,236.04

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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.