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Finding the Fourth Proportional to 508,324.15, 761,283.96 and 441,400.56

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Solution

The fourth proportional to 508,324.15, 761,283.96 and 441,400.56 is: 661,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,324.15 : 761,283.96 = 441,400.56 : x
  2. Step 2: Convert to fraction form
    508,324.15/761,283.96 = 441,400.56/x
  3. Step 3: Cross multiply
    508,324.15x = 761,283.96 × 441,400.56
  4. Step 4: Simplify right side
    508,324.15x = 336,031,166,263.02
  5. Step 5: Solve for x
    x = 336,031,166,263.02/508,324.15
  6. Step 6: Final answer
    x = 661,056.86

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1.5x scale

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.