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Finding the Fourth Proportional to 453,318.08, 625,710.72 and 302,414.72

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Solution

The fourth proportional to 453,318.08, 625,710.72 and 302,414.72 is: 417,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,318.08 : 625,710.72 = 302,414.72 : x
  2. Step 2: Convert to fraction form
    453,318.08/625,710.72 = 302,414.72/x
  3. Step 3: Cross multiply
    453,318.08x = 625,710.72 × 302,414.72
  4. Step 4: Simplify right side
    453,318.08x = 189,224,132,189.80
  5. Step 5: Solve for x
    x = 189,224,132,189.80/453,318.08
  6. Step 6: Final answer
    x = 417,420.22

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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.