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Finding the Fourth Proportional to 594,590.76, 820,535.81 and 339,947.28

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Solution

The fourth proportional to 594,590.76, 820,535.81 and 339,947.28 is: 469,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,590.76 : 820,535.81 = 339,947.28 : x
  2. Step 2: Convert to fraction form
    594,590.76/820,535.81 = 339,947.28/x
  3. Step 3: Cross multiply
    594,590.76x = 820,535.81 × 339,947.28
  4. Step 4: Simplify right side
    594,590.76x = 278,938,915,052.36
  5. Step 5: Solve for x
    x = 278,938,915,052.36/594,590.76
  6. Step 6: Final answer
    x = 469,127.56

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1.5x scale

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.