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Finding the Fourth Proportional to 406,118.52, 560,425.40 and 224,817.72

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Solution

The fourth proportional to 406,118.52, 560,425.40 and 224,817.72 is: 310,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,118.52 : 560,425.40 = 224,817.72 : x
  2. Step 2: Convert to fraction form
    406,118.52/560,425.40 = 224,817.72/x
  3. Step 3: Cross multiply
    406,118.52x = 560,425.40 × 224,817.72
  4. Step 4: Simplify right side
    406,118.52x = 125,993,560,658.09
  5. Step 5: Solve for x
    x = 125,993,560,658.09/406,118.52
  6. Step 6: Final answer
    x = 310,238.40

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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.