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Finding the Fourth Proportional to 655,467.91, 904,547.20 and 365,077.14

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Solution

The fourth proportional to 655,467.91, 904,547.20 and 365,077.14 is: 503,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,467.91 : 904,547.20 = 365,077.14 : x
  2. Step 2: Convert to fraction form
    655,467.91/904,547.20 = 365,077.14/x
  3. Step 3: Cross multiply
    655,467.91x = 904,547.20 × 365,077.14
  4. Step 4: Simplify right side
    655,467.91x = 330,229,502,945.62
  5. Step 5: Solve for x
    x = 330,229,502,945.62/655,467.91
  6. Step 6: Final answer
    x = 503,807.28

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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.