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Finding the Fourth Proportional to 424,222.89, 585,343.64 and 237,960.35

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Solution

The fourth proportional to 424,222.89, 585,343.64 and 237,960.35 is: 328,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,222.89 : 585,343.64 = 237,960.35 : x
  2. Step 2: Convert to fraction form
    424,222.89/585,343.64 = 237,960.35/x
  3. Step 3: Cross multiply
    424,222.89x = 585,343.64 × 237,960.35
  4. Step 4: Simplify right side
    424,222.89x = 139,288,577,444.67
  5. Step 5: Solve for x
    x = 139,288,577,444.67/424,222.89
  6. Step 6: Final answer
    x = 328,338.19

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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.