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Finding the Fourth Proportional to 577,778.76, 797,000.58 and 348,179.40

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Solution

The fourth proportional to 577,778.76, 797,000.58 and 348,179.40 is: 480,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,778.76 : 797,000.58 = 348,179.40 : x
  2. Step 2: Convert to fraction form
    577,778.76/797,000.58 = 348,179.40/x
  3. Step 3: Cross multiply
    577,778.76x = 797,000.58 × 348,179.40
  4. Step 4: Simplify right side
    577,778.76x = 277,499,183,744.05
  5. Step 5: Solve for x
    x = 277,499,183,744.05/577,778.76
  6. Step 6: Final answer
    x = 480,286.23

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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.