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Finding the Fourth Proportional to 325,014.40, 487,521.60 and 167,550.40

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Solution

The fourth proportional to 325,014.40, 487,521.60 and 167,550.40 is: 251,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,014.40 : 487,521.60 = 167,550.40 : x
  2. Step 2: Convert to fraction form
    325,014.40/487,521.60 = 167,550.40/x
  3. Step 3: Cross multiply
    325,014.40x = 487,521.60 × 167,550.40
  4. Step 4: Simplify right side
    325,014.40x = 81,684,439,088.64
  5. Step 5: Solve for x
    x = 81,684,439,088.64/325,014.40
  6. Step 6: Final answer
    x = 251,325.60

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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.