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Finding the Fourth Proportional to 589,897.80, 885,065.40 and 235,166.40

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Solution

The fourth proportional to 589,897.80, 885,065.40 and 235,166.40 is: 352,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,897.80 : 885,065.40 = 235,166.40 : x
  2. Step 2: Convert to fraction form
    589,897.80/885,065.40 = 235,166.40/x
  3. Step 3: Cross multiply
    589,897.80x = 885,065.40 × 235,166.40
  4. Step 4: Simplify right side
    589,897.80x = 208,137,643,882.56
  5. Step 5: Solve for x
    x = 208,137,643,882.56/589,897.80
  6. Step 6: Final answer
    x = 352,836.79

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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.