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Finding the Fourth Proportional to 453,606.48, 625,980.96 and 252,402.48

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Solution

The fourth proportional to 453,606.48, 625,980.96 and 252,402.48 is: 348,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,606.48 : 625,980.96 = 252,402.48 : x
  2. Step 2: Convert to fraction form
    453,606.48/625,980.96 = 252,402.48/x
  3. Step 3: Cross multiply
    453,606.48x = 625,980.96 × 252,402.48
  4. Step 4: Simplify right side
    453,606.48x = 157,999,146,736.78
  5. Step 5: Solve for x
    x = 157,999,146,736.78/453,606.48
  6. Step 6: Final answer
    x = 348,317.66

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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.