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Finding the Fourth Proportional to 1,495,427.16, 2,063,657.34 and 816,375

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Solution

The fourth proportional to 1,495,427.16, 2,063,657.34 and 816,375 is: 1,126,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,427.16 : 2,063,657.34 = 816,375 : x
  2. Step 2: Convert to fraction form
    1,495,427.16/2,063,657.34 = 816,375/x
  3. Step 3: Cross multiply
    1,495,427.16x = 2,063,657.34 × 816,375
  4. Step 4: Simplify right side
    1,495,427.16x = 1,684,718,260,942.50
  5. Step 5: Solve for x
    x = 1,684,718,260,942.50/1,495,427.16
  6. Step 6: Final answer
    x = 1,126,579.95

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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.