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Finding the Fourth Proportional to 673,681.80, 1,010,663.10 and 224,542.20

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Solution

The fourth proportional to 673,681.80, 1,010,663.10 and 224,542.20 is: 336,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,681.80 : 1,010,663.10 = 224,542.20 : x
  2. Step 2: Convert to fraction form
    673,681.80/1,010,663.10 = 224,542.20/x
  3. Step 3: Cross multiply
    673,681.80x = 1,010,663.10 × 224,542.20
  4. Step 4: Simplify right side
    673,681.80x = 226,936,515,932.82
  5. Step 5: Solve for x
    x = 226,936,515,932.82/673,681.80
  6. Step 6: Final answer
    x = 336,860.10

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Double scale
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Similar ratio
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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.