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Finding the Fourth Proportional to 355,231.99, 532,488.88 and 152,960.01

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Solution

The fourth proportional to 355,231.99, 532,488.88 and 152,960.01 is: 229,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,231.99 : 532,488.88 = 152,960.01 : x
  2. Step 2: Convert to fraction form
    355,231.99/532,488.88 = 152,960.01/x
  3. Step 3: Cross multiply
    355,231.99x = 532,488.88 × 152,960.01
  4. Step 4: Simplify right side
    355,231.99x = 81,449,502,604.06
  5. Step 5: Solve for x
    x = 81,449,502,604.06/355,231.99
  6. Step 6: Final answer
    x = 229,285.38

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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.