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Finding the Fourth Proportional to 583,798.12, 805,103.94 and 368,564.20

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Solution

The fourth proportional to 583,798.12, 805,103.94 and 368,564.20 is: 508,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,798.12 : 805,103.94 = 368,564.20 : x
  2. Step 2: Convert to fraction form
    583,798.12/805,103.94 = 368,564.20/x
  3. Step 3: Cross multiply
    583,798.12x = 805,103.94 × 368,564.20
  4. Step 4: Simplify right side
    583,798.12x = 296,732,489,562.95
  5. Step 5: Solve for x
    x = 296,732,489,562.95/583,798.12
  6. Step 6: Final answer
    x = 508,279.28

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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.