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Finding the Fourth Proportional to 519,887.54, 779,825.14 and 164,904.64

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Solution

The fourth proportional to 519,887.54, 779,825.14 and 164,904.64 is: 247,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,887.54 : 779,825.14 = 164,904.64 : x
  2. Step 2: Convert to fraction form
    519,887.54/779,825.14 = 164,904.64/x
  3. Step 3: Cross multiply
    519,887.54x = 779,825.14 × 164,904.64
  4. Step 4: Simplify right side
    519,887.54x = 128,596,781,612.83
  5. Step 5: Solve for x
    x = 128,596,781,612.83/519,887.54
  6. Step 6: Final answer
    x = 247,355.00

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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.