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Finding the Fourth Proportional to 614,166.71, 920,626.76 and 234,990.11

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Solution

The fourth proportional to 614,166.71, 920,626.76 and 234,990.11 is: 352,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,166.71 : 920,626.76 = 234,990.11 : x
  2. Step 2: Convert to fraction form
    614,166.71/920,626.76 = 234,990.11/x
  3. Step 3: Cross multiply
    614,166.71x = 920,626.76 × 234,990.11
  4. Step 4: Simplify right side
    614,166.71x = 216,338,186,490.39
  5. Step 5: Solve for x
    x = 216,338,186,490.39/614,166.71
  6. Step 6: Final answer
    x = 352,246.69

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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.