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Finding the Fourth Proportional to 357,099.02, 492,796.35 and 195,964.20

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Solution

The fourth proportional to 357,099.02, 492,796.35 and 195,964.20 is: 270,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,099.02 : 492,796.35 = 195,964.20 : x
  2. Step 2: Convert to fraction form
    357,099.02/492,796.35 = 195,964.20/x
  3. Step 3: Cross multiply
    357,099.02x = 492,796.35 × 195,964.20
  4. Step 4: Simplify right side
    357,099.02x = 96,570,442,490.67
  5. Step 5: Solve for x
    x = 96,570,442,490.67/357,099.02
  6. Step 6: Final answer
    x = 270,430.44

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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.