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Finding the Fourth Proportional to 591,854.16, 888,004.92 and 355,361.28

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Solution

The fourth proportional to 591,854.16, 888,004.92 and 355,361.28 is: 533,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,854.16 : 888,004.92 = 355,361.28 : x
  2. Step 2: Convert to fraction form
    591,854.16/888,004.92 = 355,361.28/x
  3. Step 3: Cross multiply
    591,854.16x = 888,004.92 × 355,361.28
  4. Step 4: Simplify right side
    591,854.16x = 315,562,565,017.50
  5. Step 5: Solve for x
    x = 315,562,565,017.50/591,854.16
  6. Step 6: Final answer
    x = 533,176.22

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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.