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Finding the Fourth Proportional to 301,256.88, 451,172.76 and 261,598.56

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Solution

The fourth proportional to 301,256.88, 451,172.76 and 261,598.56 is: 391,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,256.88 : 451,172.76 = 261,598.56 : x
  2. Step 2: Convert to fraction form
    301,256.88/451,172.76 = 261,598.56/x
  3. Step 3: Cross multiply
    301,256.88x = 451,172.76 × 261,598.56
  4. Step 4: Simplify right side
    301,256.88x = 118,026,144,327.23
  5. Step 5: Solve for x
    x = 118,026,144,327.23/301,256.88
  6. Step 6: Final answer
    x = 391,779.08

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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.