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Finding the Fourth Proportional to 675,993.76, 932,871.32 and 370,069.19

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Solution

The fourth proportional to 675,993.76, 932,871.32 and 370,069.19 is: 510,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,993.76 : 932,871.32 = 370,069.19 : x
  2. Step 2: Convert to fraction form
    675,993.76/932,871.32 = 370,069.19/x
  3. Step 3: Cross multiply
    675,993.76x = 932,871.32 × 370,069.19
  4. Step 4: Simplify right side
    675,993.76x = 345,226,935,636.22
  5. Step 5: Solve for x
    x = 345,226,935,636.22/675,993.76
  6. Step 6: Final answer
    x = 510,695.45

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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.