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Finding the Fourth Proportional to 369,757.96, 554,581.30 and 117,005.58

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Solution

The fourth proportional to 369,757.96, 554,581.30 and 117,005.58 is: 175,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,757.96 : 554,581.30 = 117,005.58 : x
  2. Step 2: Convert to fraction form
    369,757.96/554,581.30 = 117,005.58/x
  3. Step 3: Cross multiply
    369,757.96x = 554,581.30 × 117,005.58
  4. Step 4: Simplify right side
    369,757.96x = 64,889,106,663.65
  5. Step 5: Solve for x
    x = 64,889,106,663.65/369,757.96
  6. Step 6: Final answer
    x = 175,490.76

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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.