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Finding the Fourth Proportional to 369,783.81, 554,758.74 and 117,079.38

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Solution

The fourth proportional to 369,783.81, 554,758.74 and 117,079.38 is: 175,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,783.81 : 554,758.74 = 117,079.38 : x
  2. Step 2: Convert to fraction form
    369,783.81/554,758.74 = 117,079.38/x
  3. Step 3: Cross multiply
    369,783.81x = 554,758.74 × 117,079.38
  4. Step 4: Simplify right side
    369,783.81x = 64,950,809,328.78
  5. Step 5: Solve for x
    x = 64,950,809,328.78/369,783.81
  6. Step 6: Final answer
    x = 175,645.36

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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.