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Finding the Fourth Proportional to 374,327.60, 561,491.40 and 149,795.60

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Solution

The fourth proportional to 374,327.60, 561,491.40 and 149,795.60 is: 224,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,327.60 : 561,491.40 = 149,795.60 : x
  2. Step 2: Convert to fraction form
    374,327.60/561,491.40 = 149,795.60/x
  3. Step 3: Cross multiply
    374,327.60x = 561,491.40 × 149,795.60
  4. Step 4: Simplify right side
    374,327.60x = 84,108,941,157.84
  5. Step 5: Solve for x
    x = 84,108,941,157.84/374,327.60
  6. Step 6: Final answer
    x = 224,693.40

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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.