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Finding the Fourth Proportional to 577,780.26, 797,002.65 and 348,180.90

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Solution

The fourth proportional to 577,780.26, 797,002.65 and 348,180.90 is: 480,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,780.26 : 797,002.65 = 348,180.90 : x
  2. Step 2: Convert to fraction form
    577,780.26/797,002.65 = 348,180.90/x
  3. Step 3: Cross multiply
    577,780.26x = 797,002.65 × 348,180.90
  4. Step 4: Simplify right side
    577,780.26x = 277,501,099,979.39
  5. Step 5: Solve for x
    x = 277,501,099,979.39/577,780.26
  6. Step 6: Final answer
    x = 480,288.30

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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.