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Finding the Fourth Proportional to 478,296.63, 659,952.63 and 363,544.74

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Solution

The fourth proportional to 478,296.63, 659,952.63 and 363,544.74 is: 501,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,296.63 : 659,952.63 = 363,544.74 : x
  2. Step 2: Convert to fraction form
    478,296.63/659,952.63 = 363,544.74/x
  3. Step 3: Cross multiply
    478,296.63x = 659,952.63 × 363,544.74
  4. Step 4: Simplify right side
    478,296.63x = 239,922,307,285.67
  5. Step 5: Solve for x
    x = 239,922,307,285.67/478,296.63
  6. Step 6: Final answer
    x = 501,618.23

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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.