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Finding the Fourth Proportional to 554,878.40, 832,354.50 and 195,005.73

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Solution

The fourth proportional to 554,878.40, 832,354.50 and 195,005.73 is: 292,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,878.40 : 832,354.50 = 195,005.73 : x
  2. Step 2: Convert to fraction form
    554,878.40/832,354.50 = 195,005.73/x
  3. Step 3: Cross multiply
    554,878.40x = 832,354.50 × 195,005.73
  4. Step 4: Simplify right side
    554,878.40x = 162,313,896,891.29
  5. Step 5: Solve for x
    x = 162,313,896,891.29/554,878.40
  6. Step 6: Final answer
    x = 292,521.57

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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.