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Finding the Fourth Proportional to 655,492.45, 904,514.92 and 365,094.28

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Solution

The fourth proportional to 655,492.45, 904,514.92 and 365,094.28 is: 503,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,492.45 : 904,514.92 = 365,094.28 : x
  2. Step 2: Convert to fraction form
    655,492.45/904,514.92 = 365,094.28/x
  3. Step 3: Cross multiply
    655,492.45x = 904,514.92 × 365,094.28
  4. Step 4: Simplify right side
    655,492.45x = 330,233,221,641.19
  5. Step 5: Solve for x
    x = 330,233,221,641.19/655,492.45
  6. Step 6: Final answer
    x = 503,794.09

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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.