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Finding the Fourth Proportional to 357,648.54, 493,555.59 and 196,502.10

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Solution

The fourth proportional to 357,648.54, 493,555.59 and 196,502.10 is: 271,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,648.54 : 493,555.59 = 196,502.10 : x
  2. Step 2: Convert to fraction form
    357,648.54/493,555.59 = 196,502.10/x
  3. Step 3: Cross multiply
    357,648.54x = 493,555.59 × 196,502.10
  4. Step 4: Simplify right side
    357,648.54x = 96,984,709,901.74
  5. Step 5: Solve for x
    x = 96,984,709,901.74/357,648.54
  6. Step 6: Final answer
    x = 271,173.23

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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.