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Finding the Fourth Proportional to 888,774.96, 1,333,155.96 and 356,288.16

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Solution

The fourth proportional to 888,774.96, 1,333,155.96 and 356,288.16 is: 534,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,774.96 : 1,333,155.96 = 356,288.16 : x
  2. Step 2: Convert to fraction form
    888,774.96/1,333,155.96 = 356,288.16/x
  3. Step 3: Cross multiply
    888,774.96x = 1,333,155.96 × 356,288.16
  4. Step 4: Simplify right side
    888,774.96x = 474,987,683,981.43
  5. Step 5: Solve for x
    x = 474,987,683,981.43/888,774.96
  6. Step 6: Final answer
    x = 534,429.64

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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.