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Finding the Fourth Proportional to 373,607.21, 514,975.65 and 252,704.38

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Solution

The fourth proportional to 373,607.21, 514,975.65 and 252,704.38 is: 348,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,607.21 : 514,975.65 = 252,704.38 : x
  2. Step 2: Convert to fraction form
    373,607.21/514,975.65 = 252,704.38/x
  3. Step 3: Cross multiply
    373,607.21x = 514,975.65 × 252,704.38
  4. Step 4: Simplify right side
    373,607.21x = 130,136,602,348.35
  5. Step 5: Solve for x
    x = 130,136,602,348.35/373,607.21
  6. Step 6: Final answer
    x = 348,324.65

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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.