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Finding the Fourth Proportional to 369,393.94, 554,122.34 and 116,606.80

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Solution

The fourth proportional to 369,393.94, 554,122.34 and 116,606.80 is: 174,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,393.94 : 554,122.34 = 116,606.80 : x
  2. Step 2: Convert to fraction form
    369,393.94/554,122.34 = 116,606.80/x
  3. Step 3: Cross multiply
    369,393.94x = 554,122.34 × 116,606.80
  4. Step 4: Simplify right side
    369,393.94x = 64,614,432,875.91
  5. Step 5: Solve for x
    x = 64,614,432,875.91/369,393.94
  6. Step 6: Final answer
    x = 174,920.12

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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.