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Finding the Fourth Proportional to 486,870.93, 730,238.34 and 167,017.58

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Solution

The fourth proportional to 486,870.93, 730,238.34 and 167,017.58 is: 250,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,870.93 : 730,238.34 = 167,017.58 : x
  2. Step 2: Convert to fraction form
    486,870.93/730,238.34 = 167,017.58/x
  3. Step 3: Cross multiply
    486,870.93x = 730,238.34 × 167,017.58
  4. Step 4: Simplify right side
    486,870.93x = 121,962,636,718.83
  5. Step 5: Solve for x
    x = 121,962,636,718.83/486,870.93
  6. Step 6: Final answer
    x = 250,503.02

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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.