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Finding the Fourth Proportional to 384,171.06, 576,108.90 and 265,482.58

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Solution

The fourth proportional to 384,171.06, 576,108.90 and 265,482.58 is: 398,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,171.06 : 576,108.90 = 265,482.58 : x
  2. Step 2: Convert to fraction form
    384,171.06/576,108.90 = 265,482.58/x
  3. Step 3: Cross multiply
    384,171.06x = 576,108.90 × 265,482.58
  4. Step 4: Simplify right side
    384,171.06x = 152,946,877,132.96
  5. Step 5: Solve for x
    x = 152,946,877,132.96/384,171.06
  6. Step 6: Final answer
    x = 398,121.81

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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.