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Finding the Fourth Proportional to 682,341.67, 941,641.29 and 395,948.35

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Solution

The fourth proportional to 682,341.67, 941,641.29 and 395,948.35 is: 546,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,341.67 : 941,641.29 = 395,948.35 : x
  2. Step 2: Convert to fraction form
    682,341.67/941,641.29 = 395,948.35/x
  3. Step 3: Cross multiply
    682,341.67x = 941,641.29 × 395,948.35
  4. Step 4: Simplify right side
    682,341.67x = 372,841,310,359.17
  5. Step 5: Solve for x
    x = 372,841,310,359.17/682,341.67
  6. Step 6: Final answer
    x = 546,414.40

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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.