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Finding the Fourth Proportional to 578,141.93, 797,308.67 and 496,444.52

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Solution

The fourth proportional to 578,141.93, 797,308.67 and 496,444.52 is: 684,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,141.93 : 797,308.67 = 496,444.52 : x
  2. Step 2: Convert to fraction form
    578,141.93/797,308.67 = 496,444.52/x
  3. Step 3: Cross multiply
    578,141.93x = 797,308.67 × 496,444.52
  4. Step 4: Simplify right side
    578,141.93x = 395,819,523,204.37
  5. Step 5: Solve for x
    x = 395,819,523,204.37/578,141.93
  6. Step 6: Final answer
    x = 684,640.74

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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.