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Finding the Fourth Proportional to 504,667.50, 696,440.70 and 275,225.22

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Solution

The fourth proportional to 504,667.50, 696,440.70 and 275,225.22 is: 379,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,667.50 : 696,440.70 = 275,225.22 : x
  2. Step 2: Convert to fraction form
    504,667.50/696,440.70 = 275,225.22/x
  3. Step 3: Cross multiply
    504,667.50x = 696,440.70 × 275,225.22
  4. Step 4: Simplify right side
    504,667.50x = 191,678,044,874.45
  5. Step 5: Solve for x
    x = 191,678,044,874.45/504,667.50
  6. Step 6: Final answer
    x = 379,810.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.