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Finding the Fourth Proportional to 1,865,759.52, 2,798,839.08 and 517,927.76

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Solution

The fourth proportional to 1,865,759.52, 2,798,839.08 and 517,927.76 is: 776,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,759.52 : 2,798,839.08 = 517,927.76 : x
  2. Step 2: Convert to fraction form
    1,865,759.52/2,798,839.08 = 517,927.76/x
  3. Step 3: Cross multiply
    1,865,759.52x = 2,798,839.08 × 517,927.76
  4. Step 4: Simplify right side
    1,865,759.52x = 1,449,596,455,304.86
  5. Step 5: Solve for x
    x = 1,449,596,455,304.86/1,865,759.52
  6. Step 6: Final answer
    x = 776,947.10

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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.