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Finding the Fourth Proportional to 583,113.60, 804,712.32 and 328,449.60

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Solution

The fourth proportional to 583,113.60, 804,712.32 and 328,449.60 is: 453,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,113.60 : 804,712.32 = 328,449.60 : x
  2. Step 2: Convert to fraction form
    583,113.60/804,712.32 = 328,449.60/x
  3. Step 3: Cross multiply
    583,113.60x = 804,712.32 × 328,449.60
  4. Step 4: Simplify right side
    583,113.60x = 264,307,439,619.07
  5. Step 5: Solve for x
    x = 264,307,439,619.07/583,113.60
  6. Step 6: Final answer
    x = 453,269.21

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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.