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Finding the Fourth Proportional to 588,553, 812,290.62 and 346,758.28

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Solution

The fourth proportional to 588,553, 812,290.62 and 346,758.28 is: 478,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,553 : 812,290.62 = 346,758.28 : x
  2. Step 2: Convert to fraction form
    588,553/812,290.62 = 346,758.28/x
  3. Step 3: Cross multiply
    588,553x = 812,290.62 × 346,758.28
  4. Step 4: Simplify right side
    588,553x = 281,668,498,251.33
  5. Step 5: Solve for x
    x = 281,668,498,251.33/588,553
  6. Step 6: Final answer
    x = 478,577.97

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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.