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Finding the Fourth Proportional to 357,424.18, 493,245.35 and 196,281.92

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Solution

The fourth proportional to 357,424.18, 493,245.35 and 196,281.92 is: 270,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,424.18 : 493,245.35 = 196,281.92 : x
  2. Step 2: Convert to fraction form
    357,424.18/493,245.35 = 196,281.92/x
  3. Step 3: Cross multiply
    357,424.18x = 493,245.35 × 196,281.92
  4. Step 4: Simplify right side
    357,424.18x = 96,815,144,329.07
  5. Step 5: Solve for x
    x = 96,815,144,329.07/357,424.18
  6. Step 6: Final answer
    x = 270,869.04

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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.