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Finding the Fourth Proportional to 576,520.36, 864,799.98 and 155,799.88

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Solution

The fourth proportional to 576,520.36, 864,799.98 and 155,799.88 is: 233,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,520.36 : 864,799.98 = 155,799.88 : x
  2. Step 2: Convert to fraction form
    576,520.36/864,799.98 = 155,799.88/x
  3. Step 3: Cross multiply
    576,520.36x = 864,799.98 × 155,799.88
  4. Step 4: Simplify right side
    576,520.36x = 134,735,733,108.00
  5. Step 5: Solve for x
    x = 134,735,733,108.00/576,520.36
  6. Step 6: Final answer
    x = 233,705.07

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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.