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Finding the Fourth Proportional to 576,135.59, 864,219.18 and 155,410.25

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Solution

The fourth proportional to 576,135.59, 864,219.18 and 155,410.25 is: 233,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,135.59 : 864,219.18 = 155,410.25 : x
  2. Step 2: Convert to fraction form
    576,135.59/864,219.18 = 155,410.25/x
  3. Step 3: Cross multiply
    576,135.59x = 864,219.18 × 155,410.25
  4. Step 4: Simplify right side
    576,135.59x = 134,308,518,818.60
  5. Step 5: Solve for x
    x = 134,308,518,818.60/576,135.59
  6. Step 6: Final answer
    x = 233,119.64

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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.