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Finding the Fourth Proportional to 371,292.68, 512,370.18 and 201,523.16

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Solution

The fourth proportional to 371,292.68, 512,370.18 and 201,523.16 is: 278,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,292.68 : 512,370.18 = 201,523.16 : x
  2. Step 2: Convert to fraction form
    371,292.68/512,370.18 = 201,523.16/x
  3. Step 3: Cross multiply
    371,292.68x = 512,370.18 × 201,523.16
  4. Step 4: Simplify right side
    371,292.68x = 103,254,457,763.37
  5. Step 5: Solve for x
    x = 103,254,457,763.37/371,292.68
  6. Step 6: Final answer
    x = 278,094.51

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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.