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Finding the Fourth Proportional to 565,538.30, 848,307.45 and 325,405.70

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Solution

The fourth proportional to 565,538.30, 848,307.45 and 325,405.70 is: 488,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,538.30 : 848,307.45 = 325,405.70 : x
  2. Step 2: Convert to fraction form
    565,538.30/848,307.45 = 325,405.70/x
  3. Step 3: Cross multiply
    565,538.30x = 848,307.45 × 325,405.70
  4. Step 4: Simplify right side
    565,538.30x = 276,044,079,582.47
  5. Step 5: Solve for x
    x = 276,044,079,582.47/565,538.30
  6. Step 6: Final answer
    x = 488,108.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.