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Finding the Fourth Proportional to 561,956.40, 842,934.60 and 552,625.20

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Solution

The fourth proportional to 561,956.40, 842,934.60 and 552,625.20 is: 828,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,956.40 : 842,934.60 = 552,625.20 : x
  2. Step 2: Convert to fraction form
    561,956.40/842,934.60 = 552,625.20/x
  3. Step 3: Cross multiply
    561,956.40x = 842,934.60 × 552,625.20
  4. Step 4: Simplify right side
    561,956.40x = 465,826,901,911.92
  5. Step 5: Solve for x
    x = 465,826,901,911.92/561,956.40
  6. Step 6: Final answer
    x = 828,937.80

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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.