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Finding the Fourth Proportional to 675,605.08, 932,243.15 and 403,615.41

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Solution

The fourth proportional to 675,605.08, 932,243.15 and 403,615.41 is: 556,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,605.08 : 932,243.15 = 403,615.41 : x
  2. Step 2: Convert to fraction form
    675,605.08/932,243.15 = 403,615.41/x
  3. Step 3: Cross multiply
    675,605.08x = 932,243.15 × 403,615.41
  4. Step 4: Simplify right side
    675,605.08x = 376,267,697,584.90
  5. Step 5: Solve for x
    x = 376,267,697,584.90/675,605.08
  6. Step 6: Final answer
    x = 556,934.38

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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.