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Finding the Fourth Proportional to 358,011.86, 536,974.04 and 147,622.46

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Solution

The fourth proportional to 358,011.86, 536,974.04 and 147,622.46 is: 221,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,011.86 : 536,974.04 = 147,622.46 : x
  2. Step 2: Convert to fraction form
    358,011.86/536,974.04 = 147,622.46/x
  3. Step 3: Cross multiply
    358,011.86x = 536,974.04 × 147,622.46
  4. Step 4: Simplify right side
    358,011.86x = 79,269,426,425.12
  5. Step 5: Solve for x
    x = 79,269,426,425.12/358,011.86
  6. Step 6: Final answer
    x = 221,415.65

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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.