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Finding the Fourth Proportional to 487,017.68, 730,458 and 167,164.27

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Solution

The fourth proportional to 487,017.68, 730,458 and 167,164.27 is: 250,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,017.68 : 730,458 = 167,164.27 : x
  2. Step 2: Convert to fraction form
    487,017.68/730,458 = 167,164.27/x
  3. Step 3: Cross multiply
    487,017.68x = 730,458 × 167,164.27
  4. Step 4: Simplify right side
    487,017.68x = 122,106,476,509.52
  5. Step 5: Solve for x
    x = 122,106,476,509.52/487,017.68
  6. Step 6: Final answer
    x = 250,722.88

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1.5x scale

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.