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Finding the Fourth Proportional to 571,533.54, 857,332.71 and 172,229.46

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Solution

The fourth proportional to 571,533.54, 857,332.71 and 172,229.46 is: 258,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,533.54 : 857,332.71 = 172,229.46 : x
  2. Step 2: Convert to fraction form
    571,533.54/857,332.71 = 172,229.46/x
  3. Step 3: Cross multiply
    571,533.54x = 857,332.71 × 172,229.46
  4. Step 4: Simplify right side
    571,533.54x = 147,657,949,683.64
  5. Step 5: Solve for x
    x = 147,657,949,683.64/571,533.54
  6. Step 6: Final answer
    x = 258,353.95

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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.