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Finding the Fourth Proportional to 264,627.60, 396,941.40 and 260,019.60

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Solution

The fourth proportional to 264,627.60, 396,941.40 and 260,019.60 is: 390,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,627.60 : 396,941.40 = 260,019.60 : x
  2. Step 2: Convert to fraction form
    264,627.60/396,941.40 = 260,019.60/x
  3. Step 3: Cross multiply
    264,627.60x = 396,941.40 × 260,019.60
  4. Step 4: Simplify right side
    264,627.60x = 103,212,544,051.44
  5. Step 5: Solve for x
    x = 103,212,544,051.44/264,627.60
  6. Step 6: Final answer
    x = 390,029.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.