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Finding the Fourth Proportional to 567,235.40, 850,853.10 and 286,716.20

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Solution

The fourth proportional to 567,235.40, 850,853.10 and 286,716.20 is: 430,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,235.40 : 850,853.10 = 286,716.20 : x
  2. Step 2: Convert to fraction form
    567,235.40/850,853.10 = 286,716.20/x
  3. Step 3: Cross multiply
    567,235.40x = 850,853.10 × 286,716.20
  4. Step 4: Simplify right side
    567,235.40x = 243,953,367,590.22
  5. Step 5: Solve for x
    x = 243,953,367,590.22/567,235.40
  6. Step 6: Final answer
    x = 430,074.30

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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.