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Finding the Fourth Proportional to 672,484.46, 928,000.63 and 366,554.11

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Solution

The fourth proportional to 672,484.46, 928,000.63 and 366,554.11 is: 505,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,484.46 : 928,000.63 = 366,554.11 : x
  2. Step 2: Convert to fraction form
    672,484.46/928,000.63 = 366,554.11/x
  3. Step 3: Cross multiply
    672,484.46x = 928,000.63 × 366,554.11
  4. Step 4: Simplify right side
    672,484.46x = 340,162,441,772.70
  5. Step 5: Solve for x
    x = 340,162,441,772.70/672,484.46
  6. Step 6: Final answer
    x = 505,829.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.