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Finding the Fourth Proportional to 338,284.44, 507,386.30 and 88,985.88

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Solution

The fourth proportional to 338,284.44, 507,386.30 and 88,985.88 is: 133,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,284.44 : 507,386.30 = 88,985.88 : x
  2. Step 2: Convert to fraction form
    338,284.44/507,386.30 = 88,985.88/x
  3. Step 3: Cross multiply
    338,284.44x = 507,386.30 × 88,985.88
  4. Step 4: Simplify right side
    338,284.44x = 45,150,216,405.44
  5. Step 5: Solve for x
    x = 45,150,216,405.44/338,284.44
  6. Step 6: Final answer
    x = 133,468.20

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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.