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Finding the Fourth Proportional to 576,187.47, 795,065.35 and 321,549.39

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Solution

The fourth proportional to 576,187.47, 795,065.35 and 321,549.39 is: 443,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,187.47 : 795,065.35 = 321,549.39 : x
  2. Step 2: Convert to fraction form
    576,187.47/795,065.35 = 321,549.39/x
  3. Step 3: Cross multiply
    576,187.47x = 795,065.35 × 321,549.39
  4. Step 4: Simplify right side
    576,187.47x = 255,652,778,302.64
  5. Step 5: Solve for x
    x = 255,652,778,302.64/576,187.47
  6. Step 6: Final answer
    x = 443,697.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.