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Finding the Fourth Proportional to 566,482.61, 781,755.98 and 308,367

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Solution

The fourth proportional to 566,482.61, 781,755.98 and 308,367 is: 425,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,482.61 : 781,755.98 = 308,367 : x
  2. Step 2: Convert to fraction form
    566,482.61/781,755.98 = 308,367/x
  3. Step 3: Cross multiply
    566,482.61x = 781,755.98 × 308,367
  4. Step 4: Simplify right side
    566,482.61x = 241,067,746,284.66
  5. Step 5: Solve for x
    x = 241,067,746,284.66/566,482.61
  6. Step 6: Final answer
    x = 425,551.89

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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.