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Finding the Fourth Proportional to 483,568.76, 667,386.25 and 292,583.72

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Solution

The fourth proportional to 483,568.76, 667,386.25 and 292,583.72 is: 403,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,568.76 : 667,386.25 = 292,583.72 : x
  2. Step 2: Convert to fraction form
    483,568.76/667,386.25 = 292,583.72/x
  3. Step 3: Cross multiply
    483,568.76x = 667,386.25 × 292,583.72
  4. Step 4: Simplify right side
    483,568.76x = 195,266,347,633.46
  5. Step 5: Solve for x
    x = 195,266,347,633.46/483,568.76
  6. Step 6: Final answer
    x = 403,802.66

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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.