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Finding the Fourth Proportional to 347,666.67, 521,500.05 and 189,809.01

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Solution

The fourth proportional to 347,666.67, 521,500.05 and 189,809.01 is: 284,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,666.67 : 521,500.05 = 189,809.01 : x
  2. Step 2: Convert to fraction form
    347,666.67/521,500.05 = 189,809.01/x
  3. Step 3: Cross multiply
    347,666.67x = 521,500.05 × 189,809.01
  4. Step 4: Simplify right side
    347,666.67x = 98,985,408,205.45
  5. Step 5: Solve for x
    x = 98,985,408,205.45/347,666.67
  6. Step 6: Final answer
    x = 284,713.54

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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.