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Finding the Fourth Proportional to 567,362.40, 851,043.60 and 286,843.20

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Solution

The fourth proportional to 567,362.40, 851,043.60 and 286,843.20 is: 430,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,362.40 : 851,043.60 = 286,843.20 : x
  2. Step 2: Convert to fraction form
    567,362.40/851,043.60 = 286,843.20/x
  3. Step 3: Cross multiply
    567,362.40x = 851,043.60 × 286,843.20
  4. Step 4: Simplify right side
    567,362.40x = 244,116,069,563.52
  5. Step 5: Solve for x
    x = 244,116,069,563.52/567,362.40
  6. Step 6: Final answer
    x = 430,264.80

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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.