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Finding the Fourth Proportional to 333,921.70, 460,606.80 and 272,756.62

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Solution

The fourth proportional to 333,921.70, 460,606.80 and 272,756.62 is: 376,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,921.70 : 460,606.80 = 272,756.62 : x
  2. Step 2: Convert to fraction form
    333,921.70/460,606.80 = 272,756.62/x
  3. Step 3: Cross multiply
    333,921.70x = 460,606.80 × 272,756.62
  4. Step 4: Simplify right side
    333,921.70x = 125,633,553,917.02
  5. Step 5: Solve for x
    x = 125,633,553,917.02/333,921.70
  6. Step 6: Final answer
    x = 376,236.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.