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Finding the Fourth Proportional to 567,341.60, 850,234.80 and 400,935.20

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Solution

The fourth proportional to 567,341.60, 850,234.80 and 400,935.20 is: 600,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,341.60 : 850,234.80 = 400,935.20 : x
  2. Step 2: Convert to fraction form
    567,341.60/850,234.80 = 400,935.20/x
  3. Step 3: Cross multiply
    567,341.60x = 850,234.80 × 400,935.20
  4. Step 4: Simplify right side
    567,341.60x = 340,889,059,584.96
  5. Step 5: Solve for x
    x = 340,889,059,584.96/567,341.60
  6. Step 6: Final answer
    x = 600,853.28

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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.