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Finding the Fourth Proportional to 563,802, 778,455.12 and 362,947.92

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Solution

The fourth proportional to 563,802, 778,455.12 and 362,947.92 is: 501,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,802 : 778,455.12 = 362,947.92 : x
  2. Step 2: Convert to fraction form
    563,802/778,455.12 = 362,947.92/x
  3. Step 3: Cross multiply
    563,802x = 778,455.12 × 362,947.92
  4. Step 4: Simplify right side
    563,802x = 282,538,666,617.35
  5. Step 5: Solve for x
    x = 282,538,666,617.35/563,802
  6. Step 6: Final answer
    x = 501,131.01

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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.