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Finding the Fourth Proportional to 1,552,773, 2,142,859.56 and 873,709.50

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Solution

The fourth proportional to 1,552,773, 2,142,859.56 and 873,709.50 is: 1,205,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,773 : 2,142,859.56 = 873,709.50 : x
  2. Step 2: Convert to fraction form
    1,552,773/2,142,859.56 = 873,709.50/x
  3. Step 3: Cross multiply
    1,552,773x = 2,142,859.56 × 873,709.50
  4. Step 4: Simplify right side
    1,552,773x = 1,872,236,754,737.82
  5. Step 5: Solve for x
    x = 1,872,236,754,737.82/1,552,773
  6. Step 6: Final answer
    x = 1,205,737.58

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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.