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Finding the Fourth Proportional to 504,666.56, 696,431.13 and 275,225.69

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Solution

The fourth proportional to 504,666.56, 696,431.13 and 275,225.69 is: 379,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,666.56 : 696,431.13 = 275,225.69 : x
  2. Step 2: Convert to fraction form
    504,666.56/696,431.13 = 275,225.69/x
  3. Step 3: Cross multiply
    504,666.56x = 696,431.13 × 275,225.69
  4. Step 4: Simplify right side
    504,666.56x = 191,675,738,291.73
  5. Step 5: Solve for x
    x = 191,675,738,291.73/504,666.56
  6. Step 6: Final answer
    x = 379,806.70

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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.