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Finding the Fourth Proportional to 406,018.93, 560,291.83 and 224,731.21

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Solution

The fourth proportional to 406,018.93, 560,291.83 and 224,731.21 is: 310,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,018.93 : 560,291.83 = 224,731.21 : x
  2. Step 2: Convert to fraction form
    406,018.93/560,291.83 = 224,731.21/x
  3. Step 3: Cross multiply
    406,018.93x = 560,291.83 × 224,731.21
  4. Step 4: Simplify right side
    406,018.93x = 125,915,060,909.01
  5. Step 5: Solve for x
    x = 125,915,060,909.01/406,018.93
  6. Step 6: Final answer
    x = 310,121.16

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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.