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Finding the Fourth Proportional to 370,897.83, 556,415.91 and 168,508.11

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Solution

The fourth proportional to 370,897.83, 556,415.91 and 168,508.11 is: 252,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,897.83 : 556,415.91 = 168,508.11 : x
  2. Step 2: Convert to fraction form
    370,897.83/556,415.91 = 168,508.11/x
  3. Step 3: Cross multiply
    370,897.83x = 556,415.91 × 168,508.11
  4. Step 4: Simplify right side
    370,897.83x = 93,760,593,368.03
  5. Step 5: Solve for x
    x = 93,760,593,368.03/370,897.83
  6. Step 6: Final answer
    x = 252,793.59

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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.