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Finding the Fourth Proportional to 591,387.51, 887,068.52 and 164,911.97

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Solution

The fourth proportional to 591,387.51, 887,068.52 and 164,911.97 is: 247,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,387.51 : 887,068.52 = 164,911.97 : x
  2. Step 2: Convert to fraction form
    591,387.51/887,068.52 = 164,911.97/x
  3. Step 3: Cross multiply
    591,387.51x = 887,068.52 × 164,911.97
  4. Step 4: Simplify right side
    591,387.51x = 146,288,214,643.77
  5. Step 5: Solve for x
    x = 146,288,214,643.77/591,387.51
  6. Step 6: Final answer
    x = 247,364.40

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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.