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Finding the Fourth Proportional to 594,710.90, 820,701.81 and 322,778.76

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Solution

The fourth proportional to 594,710.90, 820,701.81 and 322,778.76 is: 445,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,710.90 : 820,701.81 = 322,778.76 : x
  2. Step 2: Convert to fraction form
    594,710.90/820,701.81 = 322,778.76/x
  3. Step 3: Cross multiply
    594,710.90x = 820,701.81 × 322,778.76
  4. Step 4: Simplify right side
    594,710.90x = 264,905,110,947.66
  5. Step 5: Solve for x
    x = 264,905,110,947.66/594,710.90
  6. Step 6: Final answer
    x = 445,435.11

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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.