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Finding the Fourth Proportional to 566,885.40, 782,272.32 and 352,020.89

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Solution

The fourth proportional to 566,885.40, 782,272.32 and 352,020.89 is: 485,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,885.40 : 782,272.32 = 352,020.89 : x
  2. Step 2: Convert to fraction form
    566,885.40/782,272.32 = 352,020.89/x
  3. Step 3: Cross multiply
    566,885.40x = 782,272.32 × 352,020.89
  4. Step 4: Simplify right side
    566,885.40x = 275,376,194,397.40
  5. Step 5: Solve for x
    x = 275,376,194,397.40/566,885.40
  6. Step 6: Final answer
    x = 485,770.48

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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.