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Finding the Fourth Proportional to 997,578, 1,376,657.64 and 544,870.08

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Solution

The fourth proportional to 997,578, 1,376,657.64 and 544,870.08 is: 751,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,578 : 1,376,657.64 = 544,870.08 : x
  2. Step 2: Convert to fraction form
    997,578/1,376,657.64 = 544,870.08/x
  3. Step 3: Cross multiply
    997,578x = 1,376,657.64 × 544,870.08
  4. Step 4: Simplify right side
    997,578x = 750,099,558,439.41
  5. Step 5: Solve for x
    x = 750,099,558,439.41/997,578
  6. Step 6: Final answer
    x = 751,920.71

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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.