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Finding the Fourth Proportional to 360,361.48, 497,298.78 and 197,018.56

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Solution

The fourth proportional to 360,361.48, 497,298.78 and 197,018.56 is: 271,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,361.48 : 497,298.78 = 197,018.56 : x
  2. Step 2: Convert to fraction form
    360,361.48/497,298.78 = 197,018.56/x
  3. Step 3: Cross multiply
    360,361.48x = 497,298.78 × 197,018.56
  4. Step 4: Simplify right side
    360,361.48x = 97,977,089,525.36
  5. Step 5: Solve for x
    x = 97,977,089,525.36/360,361.48
  6. Step 6: Final answer
    x = 271,885.58

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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.