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Finding the Fourth Proportional to 1,038,496, 1,433,124.56 and 561,568

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Solution

The fourth proportional to 1,038,496, 1,433,124.56 and 561,568 is: 774,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,496 : 1,433,124.56 = 561,568 : x
  2. Step 2: Convert to fraction form
    1,038,496/1,433,124.56 = 561,568/x
  3. Step 3: Cross multiply
    1,038,496x = 1,433,124.56 × 561,568
  4. Step 4: Simplify right side
    1,038,496x = 804,796,892,910.08
  5. Step 5: Solve for x
    x = 804,796,892,910.08/1,038,496
  6. Step 6: Final answer
    x = 774,963.88

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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.