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Finding the Fourth Proportional to 504,477, 696,182.98 and 278,130.60

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Solution

The fourth proportional to 504,477, 696,182.98 and 278,130.60 is: 383,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,477 : 696,182.98 = 278,130.60 : x
  2. Step 2: Convert to fraction form
    504,477/696,182.98 = 278,130.60/x
  3. Step 3: Cross multiply
    504,477x = 696,182.98 × 278,130.60
  4. Step 4: Simplify right side
    504,477x = 193,629,789,937.19
  5. Step 5: Solve for x
    x = 193,629,789,937.19/504,477
  6. Step 6: Final answer
    x = 383,822.83

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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.