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Finding the Fourth Proportional to 416,880.64, 625,315.36 and 101,336.64

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Solution

The fourth proportional to 416,880.64, 625,315.36 and 101,336.64 is: 152,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,880.64 : 625,315.36 = 101,336.64 : x
  2. Step 2: Convert to fraction form
    416,880.64/625,315.36 = 101,336.64/x
  3. Step 3: Cross multiply
    416,880.64x = 625,315.36 × 101,336.64
  4. Step 4: Simplify right side
    416,880.64x = 63,367,357,522.79
  5. Step 5: Solve for x
    x = 63,367,357,522.79/416,880.64
  6. Step 6: Final answer
    x = 152,003.60

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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.