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Finding the Fourth Proportional to 539,082.70, 808,624.05 and 504,090.70

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Solution

The fourth proportional to 539,082.70, 808,624.05 and 504,090.70 is: 756,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,082.70 : 808,624.05 = 504,090.70 : x
  2. Step 2: Convert to fraction form
    539,082.70/808,624.05 = 504,090.70/x
  3. Step 3: Cross multiply
    539,082.70x = 808,624.05 × 504,090.70
  4. Step 4: Simplify right side
    539,082.70x = 407,619,863,401.34
  5. Step 5: Solve for x
    x = 407,619,863,401.34/539,082.70
  6. Step 6: Final answer
    x = 756,136.05

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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.