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Finding the Fourth Proportional to 566,752.65, 780,788.34 and 394,374.17

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Solution

The fourth proportional to 566,752.65, 780,788.34 and 394,374.17 is: 543,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,752.65 : 780,788.34 = 394,374.17 : x
  2. Step 2: Convert to fraction form
    566,752.65/780,788.34 = 394,374.17/x
  3. Step 3: Cross multiply
    566,752.65x = 780,788.34 × 394,374.17
  4. Step 4: Simplify right side
    566,752.65x = 307,922,753,533.18
  5. Step 5: Solve for x
    x = 307,922,753,533.18/566,752.65
  6. Step 6: Final answer
    x = 543,310.66

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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.