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Finding the Fourth Proportional to 683,070.71, 942,588.90 and 377,097.66

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Solution

The fourth proportional to 683,070.71, 942,588.90 and 377,097.66 is: 520,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,070.71 : 942,588.90 = 377,097.66 : x
  2. Step 2: Convert to fraction form
    683,070.71/942,588.90 = 377,097.66/x
  3. Step 3: Cross multiply
    683,070.71x = 942,588.90 × 377,097.66
  4. Step 4: Simplify right side
    683,070.71x = 355,448,068,531.97
  5. Step 5: Solve for x
    x = 355,448,068,531.97/683,070.71
  6. Step 6: Final answer
    x = 520,367.90

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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.