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Finding the Fourth Proportional to 516,968.33, 774,974.58 and 277,248.86

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Solution

The fourth proportional to 516,968.33, 774,974.58 and 277,248.86 is: 415,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,968.33 : 774,974.58 = 277,248.86 : x
  2. Step 2: Convert to fraction form
    516,968.33/774,974.58 = 277,248.86/x
  3. Step 3: Cross multiply
    516,968.33x = 774,974.58 × 277,248.86
  4. Step 4: Simplify right side
    516,968.33x = 214,860,814,959.11
  5. Step 5: Solve for x
    x = 214,860,814,959.11/516,968.33
  6. Step 6: Final answer
    x = 415,616.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.