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Finding the Fourth Proportional to 575,807.63, 863,680.28 and 176,449.55

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Solution

The fourth proportional to 575,807.63, 863,680.28 and 176,449.55 is: 264,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,807.63 : 863,680.28 = 176,449.55 : x
  2. Step 2: Convert to fraction form
    575,807.63/863,680.28 = 176,449.55/x
  3. Step 3: Cross multiply
    575,807.63x = 863,680.28 × 176,449.55
  4. Step 4: Simplify right side
    575,807.63x = 152,395,996,749.87
  5. Step 5: Solve for x
    x = 152,395,996,749.87/575,807.63
  6. Step 6: Final answer
    x = 264,664.77

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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.