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Finding the Fourth Proportional to 707,265.01, 1,060,908.51 and 393,714.82

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Solution

The fourth proportional to 707,265.01, 1,060,908.51 and 393,714.82 is: 590,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,265.01 : 1,060,908.51 = 393,714.82 : x
  2. Step 2: Convert to fraction form
    707,265.01/1,060,908.51 = 393,714.82/x
  3. Step 3: Cross multiply
    707,265.01x = 1,060,908.51 × 393,714.82
  4. Step 4: Simplify right side
    707,265.01x = 417,695,403,051.12
  5. Step 5: Solve for x
    x = 417,695,403,051.12/707,265.01
  6. Step 6: Final answer
    x = 590,578.35

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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.