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Finding the Fourth Proportional to 531,466.80, 797,200.20 and 523,593.60

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Solution

The fourth proportional to 531,466.80, 797,200.20 and 523,593.60 is: 785,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,466.80 : 797,200.20 = 523,593.60 : x
  2. Step 2: Convert to fraction form
    531,466.80/797,200.20 = 523,593.60/x
  3. Step 3: Cross multiply
    531,466.80x = 797,200.20 × 523,593.60
  4. Step 4: Simplify right side
    531,466.80x = 417,408,922,638.72
  5. Step 5: Solve for x
    x = 417,408,922,638.72/531,466.80
  6. Step 6: Final answer
    x = 785,390.40

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Half scale
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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.