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Finding the Fourth Proportional to 695,782,253.25, 960,155,044.25 and 382,514,186.25

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Solution

The fourth proportional to 695,782,253.25, 960,155,044.25 and 382,514,186.25 is: 527,856,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,782,253.25 : 960,155,044.25 = 382,514,186.25 : x
  2. Step 2: Convert to fraction form
    695,782,253.25/960,155,044.25 = 382,514,186.25/x
  3. Step 3: Cross multiply
    695,782,253.25x = 960,155,044.25 × 382,514,186.25
  4. Step 4: Simplify right side
    695,782,253.25x = 367,272,925,423,208,896
  5. Step 5: Solve for x
    x = 367,272,925,423,208,896/695,782,253.25
  6. Step 6: Final answer
    x = 527,856,126.98

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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.