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Finding the Fourth Proportional to 424,223.01, 585,343.81 and 237,960.47

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Solution

The fourth proportional to 424,223.01, 585,343.81 and 237,960.47 is: 328,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,223.01 : 585,343.81 = 237,960.47 : x
  2. Step 2: Convert to fraction form
    424,223.01/585,343.81 = 237,960.47/x
  3. Step 3: Cross multiply
    424,223.01x = 585,343.81 × 237,960.47
  4. Step 4: Simplify right side
    424,223.01x = 139,288,689,900.00
  5. Step 5: Solve for x
    x = 139,288,689,900.00/424,223.01
  6. Step 6: Final answer
    x = 328,338.37

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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.