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Finding the Fourth Proportional to 371,095.52, 512,113.24 and 201,330.80

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Solution

The fourth proportional to 371,095.52, 512,113.24 and 201,330.80 is: 277,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,095.52 : 512,113.24 = 201,330.80 : x
  2. Step 2: Convert to fraction form
    371,095.52/512,113.24 = 201,330.80/x
  3. Step 3: Cross multiply
    371,095.52x = 512,113.24 × 201,330.80
  4. Step 4: Simplify right side
    371,095.52x = 103,104,168,299.79
  5. Step 5: Solve for x
    x = 103,104,168,299.79/371,095.52
  6. Step 6: Final answer
    x = 277,837.28

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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.