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Finding the Fourth Proportional to 1,756,832, 2,635,248 and 558,756.80

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Solution

The fourth proportional to 1,756,832, 2,635,248 and 558,756.80 is: 838,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,832 : 2,635,248 = 558,756.80 : x
  2. Step 2: Convert to fraction form
    1,756,832/2,635,248 = 558,756.80/x
  3. Step 3: Cross multiply
    1,756,832x = 2,635,248 × 558,756.80
  4. Step 4: Simplify right side
    1,756,832x = 1,472,462,739,686.40
  5. Step 5: Solve for x
    x = 1,472,462,739,686.40/1,756,832
  6. Step 6: Final answer
    x = 838,135.20

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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.