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Finding the Fourth Proportional to 371,210.45, 512,270.75 and 201,444.58

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Solution

The fourth proportional to 371,210.45, 512,270.75 and 201,444.58 is: 277,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.45 : 512,270.75 = 201,444.58 : x
  2. Step 2: Convert to fraction form
    371,210.45/512,270.75 = 201,444.58/x
  3. Step 3: Cross multiply
    371,210.45x = 512,270.75 × 201,444.58
  4. Step 4: Simplify right side
    371,210.45x = 103,194,165,302.97
  5. Step 5: Solve for x
    x = 103,194,165,302.97/371,210.45
  6. Step 6: Final answer
    x = 277,993.69

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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.