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Finding the Fourth Proportional to 567,111.40, 850,667.10 and 286,592.20

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Solution

The fourth proportional to 567,111.40, 850,667.10 and 286,592.20 is: 429,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,111.40 : 850,667.10 = 286,592.20 : x
  2. Step 2: Convert to fraction form
    567,111.40/850,667.10 = 286,592.20/x
  3. Step 3: Cross multiply
    567,111.40x = 850,667.10 × 286,592.20
  4. Step 4: Simplify right side
    567,111.40x = 243,794,555,656.62
  5. Step 5: Solve for x
    x = 243,794,555,656.62/567,111.40
  6. Step 6: Final answer
    x = 429,888.30

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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.