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Finding the Fourth Proportional to 888,810, 1,333,354.04 and 289,632.08

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Solution

The fourth proportional to 888,810, 1,333,354.04 and 289,632.08 is: 434,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,810 : 1,333,354.04 = 289,632.08 : x
  2. Step 2: Convert to fraction form
    888,810/1,333,354.04 = 289,632.08/x
  3. Step 3: Cross multiply
    888,810x = 1,333,354.04 × 289,632.08
  4. Step 4: Simplify right side
    888,810x = 386,182,103,981.60
  5. Step 5: Solve for x
    x = 386,182,103,981.60/888,810
  6. Step 6: Final answer
    x = 434,493.43

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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.