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Finding the Fourth Proportional to 471,818.17, 707,027.38 and 346,546.81

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Solution

The fourth proportional to 471,818.17, 707,027.38 and 346,546.81 is: 519,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,818.17 : 707,027.38 = 346,546.81 : x
  2. Step 2: Convert to fraction form
    471,818.17/707,027.38 = 346,546.81/x
  3. Step 3: Cross multiply
    471,818.17x = 707,027.38 × 346,546.81
  4. Step 4: Simplify right side
    471,818.17x = 245,018,081,111.37
  5. Step 5: Solve for x
    x = 245,018,081,111.37/471,818.17
  6. Step 6: Final answer
    x = 519,306.16

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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.