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Finding the Fourth Proportional to 371,333.44, 512,402.72 and 210,160.48

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Solution

The fourth proportional to 371,333.44, 512,402.72 and 210,160.48 is: 290,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,333.44 : 512,402.72 = 210,160.48 : x
  2. Step 2: Convert to fraction form
    371,333.44/512,402.72 = 210,160.48/x
  3. Step 3: Cross multiply
    371,333.44x = 512,402.72 × 210,160.48
  4. Step 4: Simplify right side
    371,333.44x = 107,686,801,588.51
  5. Step 5: Solve for x
    x = 107,686,801,588.51/371,333.44
  6. Step 6: Final answer
    x = 290,000.28

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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.