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Finding the Fourth Proportional to 675,885.67, 932,658.91 and 403,899.41

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Solution

The fourth proportional to 675,885.67, 932,658.91 and 403,899.41 is: 557,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,885.67 : 932,658.91 = 403,899.41 : x
  2. Step 2: Convert to fraction form
    675,885.67/932,658.91 = 403,899.41/x
  3. Step 3: Cross multiply
    675,885.67x = 932,658.91 × 403,899.41
  4. Step 4: Simplify right side
    675,885.67x = 376,700,384,802.14
  5. Step 5: Solve for x
    x = 376,700,384,802.14/675,885.67
  6. Step 6: Final answer
    x = 557,343.35

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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.