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Finding the Fourth Proportional to 525,697.56, 788,401.08 and 226,114.20

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Solution

The fourth proportional to 525,697.56, 788,401.08 and 226,114.20 is: 339,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,697.56 : 788,401.08 = 226,114.20 : x
  2. Step 2: Convert to fraction form
    525,697.56/788,401.08 = 226,114.20/x
  3. Step 3: Cross multiply
    525,697.56x = 788,401.08 × 226,114.20
  4. Step 4: Simplify right side
    525,697.56x = 178,268,679,483.34
  5. Step 5: Solve for x
    x = 178,268,679,483.34/525,697.56
  6. Step 6: Final answer
    x = 339,108.82

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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.