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Finding the Fourth Proportional to 583,070.52, 804,640.14 and 328,425.72

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Solution

The fourth proportional to 583,070.52, 804,640.14 and 328,425.72 is: 453,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,070.52 : 804,640.14 = 328,425.72 : x
  2. Step 2: Convert to fraction form
    583,070.52/804,640.14 = 328,425.72/x
  3. Step 3: Cross multiply
    583,070.52x = 804,640.14 × 328,425.72
  4. Step 4: Simplify right side
    583,070.52x = 264,264,517,320.40
  5. Step 5: Solve for x
    x = 264,264,517,320.40/583,070.52
  6. Step 6: Final answer
    x = 453,229.08

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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.