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Finding the Fourth Proportional to 575,390.44, 863,054.20 and 176,031.18

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Solution

The fourth proportional to 575,390.44, 863,054.20 and 176,031.18 is: 264,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,390.44 : 863,054.20 = 176,031.18 : x
  2. Step 2: Convert to fraction form
    575,390.44/863,054.20 = 176,031.18/x
  3. Step 3: Cross multiply
    575,390.44x = 863,054.20 × 176,031.18
  4. Step 4: Simplify right side
    575,390.44x = 151,924,449,229.96
  5. Step 5: Solve for x
    x = 151,924,449,229.96/575,390.44
  6. Step 6: Final answer
    x = 264,037.15

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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.