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Finding the Fourth Proportional to 583,305.48, 805,044.96 and 328,680.36

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Solution

The fourth proportional to 583,305.48, 805,044.96 and 328,680.36 is: 453,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,305.48 : 805,044.96 = 328,680.36 : x
  2. Step 2: Convert to fraction form
    583,305.48/805,044.96 = 328,680.36/x
  3. Step 3: Cross multiply
    583,305.48x = 805,044.96 × 328,680.36
  4. Step 4: Simplify right side
    583,305.48x = 264,602,467,268.99
  5. Step 5: Solve for x
    x = 264,602,467,268.99/583,305.48
  6. Step 6: Final answer
    x = 453,625.89

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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.