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Finding the Fourth Proportional to 707,883.06, 976,851.08 and 432,701.66

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Solution

The fourth proportional to 707,883.06, 976,851.08 and 432,701.66 is: 597,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,883.06 : 976,851.08 = 432,701.66 : x
  2. Step 2: Convert to fraction form
    707,883.06/976,851.08 = 432,701.66/x
  3. Step 3: Cross multiply
    707,883.06x = 976,851.08 × 432,701.66
  4. Step 4: Simplify right side
    707,883.06x = 422,685,076,841.03
  5. Step 5: Solve for x
    x = 422,685,076,841.03/707,883.06
  6. Step 6: Final answer
    x = 597,111.44

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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.