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Finding the Fourth Proportional to 443,246.76, 664,852.86 and 176,927.40

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Solution

The fourth proportional to 443,246.76, 664,852.86 and 176,927.40 is: 265,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,246.76 : 664,852.86 = 176,927.40 : x
  2. Step 2: Convert to fraction form
    443,246.76/664,852.86 = 176,927.40/x
  3. Step 3: Cross multiply
    443,246.76x = 664,852.86 × 176,927.40
  4. Step 4: Simplify right side
    443,246.76x = 117,630,687,902.36
  5. Step 5: Solve for x
    x = 117,630,687,902.36/443,246.76
  6. Step 6: Final answer
    x = 265,384.20

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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.