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Finding the Fourth Proportional to 576,719.52, 864,588.54 and 352,237.43

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Solution

The fourth proportional to 576,719.52, 864,588.54 and 352,237.43 is: 528,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,719.52 : 864,588.54 = 352,237.43 : x
  2. Step 2: Convert to fraction form
    576,719.52/864,588.54 = 352,237.43/x
  3. Step 3: Cross multiply
    576,719.52x = 864,588.54 × 352,237.43
  4. Step 4: Simplify right side
    576,719.52x = 304,540,441,014.11
  5. Step 5: Solve for x
    x = 304,540,441,014.11/576,719.52
  6. Step 6: Final answer
    x = 528,056.41

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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.