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Finding the Fourth Proportional to 652,057.80, 977,697.90 and 337,129.80

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Solution

The fourth proportional to 652,057.80, 977,697.90 and 337,129.80 is: 505,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,057.80 : 977,697.90 = 337,129.80 : x
  2. Step 2: Convert to fraction form
    652,057.80/977,697.90 = 337,129.80/x
  3. Step 3: Cross multiply
    652,057.80x = 977,697.90 × 337,129.80
  4. Step 4: Simplify right side
    652,057.80x = 329,611,097,487.42
  5. Step 5: Solve for x
    x = 329,611,097,487.42/652,057.80
  6. Step 6: Final answer
    x = 505,493.68

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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.