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Finding the Fourth Proportional to 416,434.68, 624,768.66 and 167,291.64

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Solution

The fourth proportional to 416,434.68, 624,768.66 and 167,291.64 is: 250,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,434.68 : 624,768.66 = 167,291.64 : x
  2. Step 2: Convert to fraction form
    416,434.68/624,768.66 = 167,291.64/x
  3. Step 3: Cross multiply
    416,434.68x = 624,768.66 × 167,291.64
  4. Step 4: Simplify right side
    416,434.68x = 104,518,573,752.00
  5. Step 5: Solve for x
    x = 104,518,573,752.00/416,434.68
  6. Step 6: Final answer
    x = 250,984.32

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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.