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Finding the Fourth Proportional to 583,333.20, 874,999.80 and 441,615.60

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Solution

The fourth proportional to 583,333.20, 874,999.80 and 441,615.60 is: 662,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,333.20 : 874,999.80 = 441,615.60 : x
  2. Step 2: Convert to fraction form
    583,333.20/874,999.80 = 441,615.60/x
  3. Step 3: Cross multiply
    583,333.20x = 874,999.80 × 441,615.60
  4. Step 4: Simplify right side
    583,333.20x = 386,413,561,676.88
  5. Step 5: Solve for x
    x = 386,413,561,676.88/583,333.20
  6. Step 6: Final answer
    x = 662,423.40

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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.