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Finding the Fourth Proportional to 675,481.07, 932,011.25 and 403,495.71

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Solution

The fourth proportional to 675,481.07, 932,011.25 and 403,495.71 is: 556,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,481.07 : 932,011.25 = 403,495.71 : x
  2. Step 2: Convert to fraction form
    675,481.07/932,011.25 = 403,495.71/x
  3. Step 3: Cross multiply
    675,481.07x = 932,011.25 × 403,495.71
  4. Step 4: Simplify right side
    675,481.07x = 376,062,539,029.26
  5. Step 5: Solve for x
    x = 376,062,539,029.26/675,481.07
  6. Step 6: Final answer
    x = 556,732.91

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1.5x scale

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.