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Finding the Fourth Proportional to 504,801.56, 696,675.38 and 278,447.06

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Solution

The fourth proportional to 504,801.56, 696,675.38 and 278,447.06 is: 384,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,801.56 : 696,675.38 = 278,447.06 : x
  2. Step 2: Convert to fraction form
    504,801.56/696,675.38 = 278,447.06/x
  3. Step 3: Cross multiply
    504,801.56x = 696,675.38 × 278,447.06
  4. Step 4: Simplify right side
    504,801.56x = 193,987,211,684.84
  5. Step 5: Solve for x
    x = 193,987,211,684.84/504,801.56
  6. Step 6: Final answer
    x = 384,284.10

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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.