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Finding the Fourth Proportional to 562,549.56, 776,288.44 and 307,851.52

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Solution

The fourth proportional to 562,549.56, 776,288.44 and 307,851.52 is: 424,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,549.56 : 776,288.44 = 307,851.52 : x
  2. Step 2: Convert to fraction form
    562,549.56/776,288.44 = 307,851.52/x
  3. Step 3: Cross multiply
    562,549.56x = 776,288.44 × 307,851.52
  4. Step 4: Simplify right side
    562,549.56x = 238,981,576,212.43
  5. Step 5: Solve for x
    x = 238,981,576,212.43/562,549.56
  6. Step 6: Final answer
    x = 424,818.71

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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.