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Finding the Fourth Proportional to 656,648.48, 984,898.86 and 176,911.72

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Solution

The fourth proportional to 656,648.48, 984,898.86 and 176,911.72 is: 265,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,648.48 : 984,898.86 = 176,911.72 : x
  2. Step 2: Convert to fraction form
    656,648.48/984,898.86 = 176,911.72/x
  3. Step 3: Cross multiply
    656,648.48x = 984,898.86 × 176,911.72
  4. Step 4: Simplify right side
    656,648.48x = 174,240,151,348.64
  5. Step 5: Solve for x
    x = 174,240,151,348.64/656,648.48
  6. Step 6: Final answer
    x = 265,347.68

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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.