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Finding the Fourth Proportional to 673,445.53, 929,374.41 and 367,541.56

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Solution

The fourth proportional to 673,445.53, 929,374.41 and 367,541.56 is: 507,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,445.53 : 929,374.41 = 367,541.56 : x
  2. Step 2: Convert to fraction form
    673,445.53/929,374.41 = 367,541.56/x
  3. Step 3: Cross multiply
    673,445.53x = 929,374.41 × 367,541.56
  4. Step 4: Simplify right side
    673,445.53x = 341,583,720,475.48
  5. Step 5: Solve for x
    x = 341,583,720,475.48/673,445.53
  6. Step 6: Final answer
    x = 507,218.04

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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.