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Finding the Fourth Proportional to 606,397.13, 909,592.04 and 157,116.86

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Solution

The fourth proportional to 606,397.13, 909,592.04 and 157,116.86 is: 235,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,397.13 : 909,592.04 = 157,116.86 : x
  2. Step 2: Convert to fraction form
    606,397.13/909,592.04 = 157,116.86/x
  3. Step 3: Cross multiply
    606,397.13x = 909,592.04 × 157,116.86
  4. Step 4: Simplify right side
    606,397.13x = 142,912,241,050.63
  5. Step 5: Solve for x
    x = 142,912,241,050.63/606,397.13
  6. Step 6: Final answer
    x = 235,674.34

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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.