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Finding the Fourth Proportional to 584,751.05, 806,947.71 and 326,631.59

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Solution

The fourth proportional to 584,751.05, 806,947.71 and 326,631.59 is: 450,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,751.05 : 806,947.71 = 326,631.59 : x
  2. Step 2: Convert to fraction form
    584,751.05/806,947.71 = 326,631.59/x
  3. Step 3: Cross multiply
    584,751.05x = 806,947.71 × 326,631.59
  4. Step 4: Simplify right side
    584,751.05x = 263,574,613,564.16
  5. Step 5: Solve for x
    x = 263,574,613,564.16/584,751.05
  6. Step 6: Final answer
    x = 450,746.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.