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Finding the Fourth Proportional to 534,431.64, 737,489.34 and 292,715.28

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Solution

The fourth proportional to 534,431.64, 737,489.34 and 292,715.28 is: 403,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,431.64 : 737,489.34 = 292,715.28 : x
  2. Step 2: Convert to fraction form
    534,431.64/737,489.34 = 292,715.28/x
  3. Step 3: Cross multiply
    534,431.64x = 737,489.34 × 292,715.28
  4. Step 4: Simplify right side
    534,431.64x = 215,874,398,655.12
  5. Step 5: Solve for x
    x = 215,874,398,655.12/534,431.64
  6. Step 6: Final answer
    x = 403,932.67

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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.