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Finding the Fourth Proportional to 358,289.60, 537,416.69 and 133,632.53

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Solution

The fourth proportional to 358,289.60, 537,416.69 and 133,632.53 is: 200,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,289.60 : 537,416.69 = 133,632.53 : x
  2. Step 2: Convert to fraction form
    358,289.60/537,416.69 = 133,632.53/x
  3. Step 3: Cross multiply
    358,289.60x = 537,416.69 × 133,632.53
  4. Step 4: Simplify right side
    358,289.60x = 71,816,354,665.53
  5. Step 5: Solve for x
    x = 71,816,354,665.53/358,289.60
  6. Step 6: Final answer
    x = 200,442.20

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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.