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Finding the Fourth Proportional to 443,569.32, 665,353.31 and 177,392.25

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Solution

The fourth proportional to 443,569.32, 665,353.31 and 177,392.25 is: 266,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,569.32 : 665,353.31 = 177,392.25 : x
  2. Step 2: Convert to fraction form
    443,569.32/665,353.31 = 177,392.25/x
  3. Step 3: Cross multiply
    443,569.32x = 665,353.31 × 177,392.25
  4. Step 4: Simplify right side
    443,569.32x = 118,028,519,818.89
  5. Step 5: Solve for x
    x = 118,028,519,818.89/443,569.32
  6. Step 6: Final answer
    x = 266,088.11

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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.