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Finding the Fourth Proportional to 358,950.30, 537,388.65 and 218,982.30

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Solution

The fourth proportional to 358,950.30, 537,388.65 and 218,982.30 is: 327,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,950.30 : 537,388.65 = 218,982.30 : x
  2. Step 2: Convert to fraction form
    358,950.30/537,388.65 = 218,982.30/x
  3. Step 3: Cross multiply
    358,950.30x = 537,388.65 × 218,982.30
  4. Step 4: Simplify right side
    358,950.30x = 117,678,602,570.90
  5. Step 5: Solve for x
    x = 117,678,602,570.90/358,950.30
  6. Step 6: Final answer
    x = 327,840.94

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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.