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Finding the Fourth Proportional to 591,033.69, 886,280.79 and 211,807.89

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Solution

The fourth proportional to 591,033.69, 886,280.79 and 211,807.89 is: 317,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,033.69 : 886,280.79 = 211,807.89 : x
  2. Step 2: Convert to fraction form
    591,033.69/886,280.79 = 211,807.89/x
  3. Step 3: Cross multiply
    591,033.69x = 886,280.79 × 211,807.89
  4. Step 4: Simplify right side
    591,033.69x = 187,721,264,077.43
  5. Step 5: Solve for x
    x = 187,721,264,077.43/591,033.69
  6. Step 6: Final answer
    x = 317,615.17

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1.5x scale

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.