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Finding the Fourth Proportional to 411,206.76, 567,291.54 and 275,284.48

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Solution

The fourth proportional to 411,206.76, 567,291.54 and 275,284.48 is: 379,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,206.76 : 567,291.54 = 275,284.48 : x
  2. Step 2: Convert to fraction form
    411,206.76/567,291.54 = 275,284.48/x
  3. Step 3: Cross multiply
    411,206.76x = 567,291.54 × 275,284.48
  4. Step 4: Simplify right side
    411,206.76x = 156,166,556,597.30
  5. Step 5: Solve for x
    x = 156,166,556,597.30/411,206.76
  6. Step 6: Final answer
    x = 379,776.24

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Half scale
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Double scale
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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.