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Finding the Fourth Proportional to 339,259.60, 508,889.40 and 333,038.80

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Solution

The fourth proportional to 339,259.60, 508,889.40 and 333,038.80 is: 499,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,259.60 : 508,889.40 = 333,038.80 : x
  2. Step 2: Convert to fraction form
    339,259.60/508,889.40 = 333,038.80/x
  3. Step 3: Cross multiply
    339,259.60x = 508,889.40 × 333,038.80
  4. Step 4: Simplify right side
    339,259.60x = 169,479,915,108.72
  5. Step 5: Solve for x
    x = 169,479,915,108.72/339,259.60
  6. Step 6: Final answer
    x = 499,558.20

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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.