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Finding the Fourth Proportional to 452,604.93, 677,935.54 and 426,106.69

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Solution

The fourth proportional to 452,604.93, 677,935.54 and 426,106.69 is: 638,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,604.93 : 677,935.54 = 426,106.69 : x
  2. Step 2: Convert to fraction form
    452,604.93/677,935.54 = 426,106.69/x
  3. Step 3: Cross multiply
    452,604.93x = 677,935.54 × 426,106.69
  4. Step 4: Simplify right side
    452,604.93x = 288,872,869,672.73
  5. Step 5: Solve for x
    x = 288,872,869,672.73/452,604.93
  6. Step 6: Final answer
    x = 638,245.08

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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.