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Finding the Fourth Proportional to 671,711.81, 926,662.41 and 453,850.16

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Solution

The fourth proportional to 671,711.81, 926,662.41 and 453,850.16 is: 626,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,711.81 : 926,662.41 = 453,850.16 : x
  2. Step 2: Convert to fraction form
    671,711.81/926,662.41 = 453,850.16/x
  3. Step 3: Cross multiply
    671,711.81x = 926,662.41 × 453,850.16
  4. Step 4: Simplify right side
    671,711.81x = 420,565,878,411.17
  5. Step 5: Solve for x
    x = 420,565,878,411.17/671,711.81
  6. Step 6: Final answer
    x = 626,110.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.