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Finding the Fourth Proportional to 439,518.66, 606,539.39 and 238,314.66

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Solution

The fourth proportional to 439,518.66, 606,539.39 and 238,314.66 is: 328,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,518.66 : 606,539.39 = 238,314.66 : x
  2. Step 2: Convert to fraction form
    439,518.66/606,539.39 = 238,314.66/x
  3. Step 3: Cross multiply
    439,518.66x = 606,539.39 × 238,314.66
  4. Step 4: Simplify right side
    439,518.66x = 144,547,226,378.88
  5. Step 5: Solve for x
    x = 144,547,226,378.88/439,518.66
  6. Step 6: Final answer
    x = 328,876.20

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