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Finding the Fourth Proportional to 616,100.80, 922,336.80 and 459,025.60

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Solution

The fourth proportional to 616,100.80, 922,336.80 and 459,025.60 is: 687,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,100.80 : 922,336.80 = 459,025.60 : x
  2. Step 2: Convert to fraction form
    616,100.80/922,336.80 = 459,025.60/x
  3. Step 3: Cross multiply
    616,100.80x = 922,336.80 × 459,025.60
  4. Step 4: Simplify right side
    616,100.80x = 423,376,203,022.08
  5. Step 5: Solve for x
    x = 423,376,203,022.08/616,100.80
  6. Step 6: Final answer
    x = 687,186.58

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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.