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Finding the Fourth Proportional to 999,102.94, 1,378,794.86 and 546,393.94

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Solution

The fourth proportional to 999,102.94, 1,378,794.86 and 546,393.94 is: 754,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,102.94 : 1,378,794.86 = 546,393.94 : x
  2. Step 2: Convert to fraction form
    999,102.94/1,378,794.86 = 546,393.94/x
  3. Step 3: Cross multiply
    999,102.94x = 1,378,794.86 × 546,393.94
  4. Step 4: Simplify right side
    999,102.94x = 753,365,151,877.17
  5. Step 5: Solve for x
    x = 753,365,151,877.17/999,102.94
  6. Step 6: Final answer
    x = 754,041.57

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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.