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Finding the Fourth Proportional to 568,186.72, 852,058.68 and 213,007

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Solution

The fourth proportional to 568,186.72, 852,058.68 and 213,007 is: 319,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,186.72 : 852,058.68 = 213,007 : x
  2. Step 2: Convert to fraction form
    568,186.72/852,058.68 = 213,007/x
  3. Step 3: Cross multiply
    568,186.72x = 852,058.68 × 213,007
  4. Step 4: Simplify right side
    568,186.72x = 181,494,463,250.76
  5. Step 5: Solve for x
    x = 181,494,463,250.76/568,186.72
  6. Step 6: Final answer
    x = 319,427.50

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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.