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Finding the Fourth Proportional to 358,248.48, 536,191.56 and 198,078.12

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Solution

The fourth proportional to 358,248.48, 536,191.56 and 198,078.12 is: 296,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,248.48 : 536,191.56 = 198,078.12 : x
  2. Step 2: Convert to fraction form
    358,248.48/536,191.56 = 198,078.12/x
  3. Step 3: Cross multiply
    358,248.48x = 536,191.56 × 198,078.12
  4. Step 4: Simplify right side
    358,248.48x = 106,207,816,164.67
  5. Step 5: Solve for x
    x = 106,207,816,164.67/358,248.48
  6. Step 6: Final answer
    x = 296,464.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.