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Finding the Fourth Proportional to 664,370.34, 916,830.82 and 362,564.34

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Solution

The fourth proportional to 664,370.34, 916,830.82 and 362,564.34 is: 500,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,370.34 : 916,830.82 = 362,564.34 : x
  2. Step 2: Convert to fraction form
    664,370.34/916,830.82 = 362,564.34/x
  3. Step 3: Cross multiply
    664,370.34x = 916,830.82 × 362,564.34
  4. Step 4: Simplify right side
    664,370.34x = 332,410,154,747.98
  5. Step 5: Solve for x
    x = 332,410,154,747.98/664,370.34
  6. Step 6: Final answer
    x = 500,338.65

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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.