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Finding the Fourth Proportional to 539,360.40, 808,471.86 and 179,435.11

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Solution

The fourth proportional to 539,360.40, 808,471.86 and 179,435.11 is: 268,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,360.40 : 808,471.86 = 179,435.11 : x
  2. Step 2: Convert to fraction form
    539,360.40/808,471.86 = 179,435.11/x
  3. Step 3: Cross multiply
    539,360.40x = 808,471.86 × 179,435.11
  4. Step 4: Simplify right side
    539,360.40x = 145,068,237,131.01
  5. Step 5: Solve for x
    x = 145,068,237,131.01/539,360.40
  6. Step 6: Final answer
    x = 268,963.46

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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.