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Finding the Fourth Proportional to 301,871,520.79, 416,584,109.43 and 171,498,482.71

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Solution

The fourth proportional to 301,871,520.79, 416,584,109.43 and 171,498,482.71 is: 236,668,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,871,520.79 : 416,584,109.43 = 171,498,482.71 : x
  2. Step 2: Convert to fraction form
    301,871,520.79/416,584,109.43 = 171,498,482.71/x
  3. Step 3: Cross multiply
    301,871,520.79x = 416,584,109.43 × 171,498,482.71
  4. Step 4: Simplify right side
    301,871,520.79x = 71,443,542,688,341,608
  5. Step 5: Solve for x
    x = 71,443,542,688,341,608/301,871,520.79
  6. Step 6: Final answer
    x = 236,668,707.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.