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Finding the Fourth Proportional to 547,058.34, 820,026.18 and 210,008.24

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Solution

The fourth proportional to 547,058.34, 820,026.18 and 210,008.24 is: 314,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,058.34 : 820,026.18 = 210,008.24 : x
  2. Step 2: Convert to fraction form
    547,058.34/820,026.18 = 210,008.24/x
  3. Step 3: Cross multiply
    547,058.34x = 820,026.18 × 210,008.24
  4. Step 4: Simplify right side
    547,058.34x = 172,212,250,715.59
  5. Step 5: Solve for x
    x = 172,212,250,715.59/547,058.34
  6. Step 6: Final answer
    x = 314,796.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.