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Finding the Fourth Proportional to 575,438.60, 862,812.30 and 295,502.60

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Solution

The fourth proportional to 575,438.60, 862,812.30 and 295,502.60 is: 443,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,438.60 : 862,812.30 = 295,502.60 : x
  2. Step 2: Convert to fraction form
    575,438.60/862,812.30 = 295,502.60/x
  3. Step 3: Cross multiply
    575,438.60x = 862,812.30 × 295,502.60
  4. Step 4: Simplify right side
    575,438.60x = 254,963,277,961.98
  5. Step 5: Solve for x
    x = 254,963,277,961.98/575,438.60
  6. Step 6: Final answer
    x = 443,076.43

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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.