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Finding the Fourth Proportional to 682,342.17, 941,641.98 and 395,948.85

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Solution

The fourth proportional to 682,342.17, 941,641.98 and 395,948.85 is: 546,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,342.17 : 941,641.98 = 395,948.85 : x
  2. Step 2: Convert to fraction form
    682,342.17/941,641.98 = 395,948.85/x
  3. Step 3: Cross multiply
    682,342.17x = 941,641.98 × 395,948.85
  4. Step 4: Simplify right side
    682,342.17x = 372,842,054,384.51
  5. Step 5: Solve for x
    x = 372,842,054,384.51/682,342.17
  6. Step 6: Final answer
    x = 546,415.09

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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.