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Finding the Fourth Proportional to 504,485.44, 696,194.58 and 278,139.04

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Solution

The fourth proportional to 504,485.44, 696,194.58 and 278,139.04 is: 383,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,485.44 : 696,194.58 = 278,139.04 : x
  2. Step 2: Convert to fraction form
    504,485.44/696,194.58 = 278,139.04/x
  3. Step 3: Cross multiply
    504,485.44x = 696,194.58 × 278,139.04
  4. Step 4: Simplify right side
    504,485.44x = 193,638,892,134.40
  5. Step 5: Solve for x
    x = 193,638,892,134.40/504,485.44
  6. Step 6: Final answer
    x = 383,834.45

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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.