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Finding the Fourth Proportional to 504,534.96, 699,263.70 and 495,087.12

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Solution

The fourth proportional to 504,534.96, 699,263.70 and 495,087.12 is: 686,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,534.96 : 699,263.70 = 495,087.12 : x
  2. Step 2: Convert to fraction form
    504,534.96/699,263.70 = 495,087.12/x
  3. Step 3: Cross multiply
    504,534.96x = 699,263.70 × 495,087.12
  4. Step 4: Simplify right side
    504,534.96x = 346,196,451,353.54
  5. Step 5: Solve for x
    x = 346,196,451,353.54/504,534.96
  6. Step 6: Final answer
    x = 686,169.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.