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Finding the Fourth Proportional to 370,336.17, 555,706.49 and 157,070.91

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Solution

The fourth proportional to 370,336.17, 555,706.49 and 157,070.91 is: 235,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,336.17 : 555,706.49 = 157,070.91 : x
  2. Step 2: Convert to fraction form
    370,336.17/555,706.49 = 157,070.91/x
  3. Step 3: Cross multiply
    370,336.17x = 555,706.49 × 157,070.91
  4. Step 4: Simplify right side
    370,336.17x = 87,285,323,291.85
  5. Step 5: Solve for x
    x = 87,285,323,291.85/370,336.17
  6. Step 6: Final answer
    x = 235,692.14

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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.