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Finding the Fourth Proportional to 907,503.86, 1,252,697.01 and 681,801.14

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Solution

The fourth proportional to 907,503.86, 1,252,697.01 and 681,801.14 is: 941,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,503.86 : 1,252,697.01 = 681,801.14 : x
  2. Step 2: Convert to fraction form
    907,503.86/1,252,697.01 = 681,801.14/x
  3. Step 3: Cross multiply
    907,503.86x = 1,252,697.01 × 681,801.14
  4. Step 4: Simplify right side
    907,503.86x = 854,090,249,492.59
  5. Step 5: Solve for x
    x = 854,090,249,492.59/907,503.86
  6. Step 6: Final answer
    x = 941,142.28

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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.