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Finding the Fourth Proportional to 554,052.70, 829,005.45 and 367,428.70

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Solution

The fourth proportional to 554,052.70, 829,005.45 and 367,428.70 is: 549,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,052.70 : 829,005.45 = 367,428.70 : x
  2. Step 2: Convert to fraction form
    554,052.70/829,005.45 = 367,428.70/x
  3. Step 3: Cross multiply
    554,052.70x = 829,005.45 × 367,428.70
  4. Step 4: Simplify right side
    554,052.70x = 304,600,394,786.42
  5. Step 5: Solve for x
    x = 304,600,394,786.42/554,052.70
  6. Step 6: Final answer
    x = 549,767.91

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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.