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Finding the Fourth Proportional to 675,491.61, 932,025.92 and 403,506.41

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Solution

The fourth proportional to 675,491.61, 932,025.92 and 403,506.41 is: 556,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,491.61 : 932,025.92 = 403,506.41 : x
  2. Step 2: Convert to fraction form
    675,491.61/932,025.92 = 403,506.41/x
  3. Step 3: Cross multiply
    675,491.61x = 932,025.92 × 403,506.41
  4. Step 4: Simplify right side
    675,491.61x = 376,078,426,328.49
  5. Step 5: Solve for x
    x = 376,078,426,328.49/675,491.61
  6. Step 6: Final answer
    x = 556,747.74

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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.