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Finding the Fourth Proportional to 875,668.86, 1,313,503.29 and 676,280.07

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Solution

The fourth proportional to 875,668.86, 1,313,503.29 and 676,280.07 is: 1,014,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,668.86 : 1,313,503.29 = 676,280.07 : x
  2. Step 2: Convert to fraction form
    875,668.86/1,313,503.29 = 676,280.07/x
  3. Step 3: Cross multiply
    875,668.86x = 1,313,503.29 × 676,280.07
  4. Step 4: Simplify right side
    875,668.86x = 888,296,096,906.43
  5. Step 5: Solve for x
    x = 888,296,096,906.43/875,668.86
  6. Step 6: Final answer
    x = 1,014,420.11

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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.