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Finding the Fourth Proportional to 453,280.32, 625,548.96 and 252,072

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Solution

The fourth proportional to 453,280.32, 625,548.96 and 252,072 is: 347,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,280.32 : 625,548.96 = 252,072 : x
  2. Step 2: Convert to fraction form
    453,280.32/625,548.96 = 252,072/x
  3. Step 3: Cross multiply
    453,280.32x = 625,548.96 × 252,072
  4. Step 4: Simplify right side
    453,280.32x = 157,683,377,445.12
  5. Step 5: Solve for x
    x = 157,683,377,445.12/453,280.32
  6. Step 6: Final answer
    x = 347,871.66

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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.