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Finding the Fourth Proportional to 486,689.52, 730,054.38 and 167,060.94

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Solution

The fourth proportional to 486,689.52, 730,054.38 and 167,060.94 is: 250,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,689.52 : 730,054.38 = 167,060.94 : x
  2. Step 2: Convert to fraction form
    486,689.52/730,054.38 = 167,060.94/x
  3. Step 3: Cross multiply
    486,689.52x = 730,054.38 × 167,060.94
  4. Step 4: Simplify right side
    486,689.52x = 121,963,570,973.92
  5. Step 5: Solve for x
    x = 121,963,570,973.92/486,689.52
  6. Step 6: Final answer
    x = 250,598.31

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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.