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Finding the Fourth Proportional to 625,514.01, 936,940.53 and 369,070.20

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Solution

The fourth proportional to 625,514.01, 936,940.53 and 369,070.20 is: 552,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,514.01 : 936,940.53 = 369,070.20 : x
  2. Step 2: Convert to fraction form
    625,514.01/936,940.53 = 369,070.20/x
  3. Step 3: Cross multiply
    625,514.01x = 936,940.53 × 369,070.20
  4. Step 4: Simplify right side
    625,514.01x = 345,796,831,916.13
  5. Step 5: Solve for x
    x = 345,796,831,916.13/625,514.01
  6. Step 6: Final answer
    x = 552,820.28

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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.