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Finding the Fourth Proportional to 637,459.20, 955,168.20 and 337,548.60

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Solution

The fourth proportional to 637,459.20, 955,168.20 and 337,548.60 is: 505,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,459.20 : 955,168.20 = 337,548.60 : x
  2. Step 2: Convert to fraction form
    637,459.20/955,168.20 = 337,548.60/x
  3. Step 3: Cross multiply
    637,459.20x = 955,168.20 × 337,548.60
  4. Step 4: Simplify right side
    637,459.20x = 322,415,688,674.52
  5. Step 5: Solve for x
    x = 322,415,688,674.52/637,459.20
  6. Step 6: Final answer
    x = 505,782.47

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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.