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Finding the Fourth Proportional to 525,838.40, 788,757.60 and 226,462.40

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Solution

The fourth proportional to 525,838.40, 788,757.60 and 226,462.40 is: 339,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,838.40 : 788,757.60 = 226,462.40 : x
  2. Step 2: Convert to fraction form
    525,838.40/788,757.60 = 226,462.40/x
  3. Step 3: Cross multiply
    525,838.40x = 788,757.60 × 226,462.40
  4. Step 4: Simplify right side
    525,838.40x = 178,623,939,114.24
  5. Step 5: Solve for x
    x = 178,623,939,114.24/525,838.40
  6. Step 6: Final answer
    x = 339,693.60

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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.