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Finding the Fourth Proportional to 885,794.62, 1,328,048.24 and 353,155.90

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Solution

The fourth proportional to 885,794.62, 1,328,048.24 and 353,155.90 is: 529,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,794.62 : 1,328,048.24 = 353,155.90 : x
  2. Step 2: Convert to fraction form
    885,794.62/1,328,048.24 = 353,155.90/x
  3. Step 3: Cross multiply
    885,794.62x = 1,328,048.24 × 353,155.90
  4. Step 4: Simplify right side
    885,794.62x = 469,008,071,440.62
  5. Step 5: Solve for x
    x = 469,008,071,440.62/885,794.62
  6. Step 6: Final answer
    x = 529,477.22

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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.