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Finding the Fourth Proportional to 374,096.40, 561,144.60 and 307,611.60

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Solution

The fourth proportional to 374,096.40, 561,144.60 and 307,611.60 is: 461,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,096.40 : 561,144.60 = 307,611.60 : x
  2. Step 2: Convert to fraction form
    374,096.40/561,144.60 = 307,611.60/x
  3. Step 3: Cross multiply
    374,096.40x = 561,144.60 × 307,611.60
  4. Step 4: Simplify right side
    374,096.40x = 172,614,588,237.36
  5. Step 5: Solve for x
    x = 172,614,588,237.36/374,096.40
  6. Step 6: Final answer
    x = 461,417.40

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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.