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Finding the Fourth Proportional to 417,041.01, 625,186.98 and 203,688.23

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Solution

The fourth proportional to 417,041.01, 625,186.98 and 203,688.23 is: 305,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,041.01 : 625,186.98 = 203,688.23 : x
  2. Step 2: Convert to fraction form
    417,041.01/625,186.98 = 203,688.23/x
  3. Step 3: Cross multiply
    417,041.01x = 625,186.98 × 203,688.23
  4. Step 4: Simplify right side
    417,041.01x = 127,343,226,249.31
  5. Step 5: Solve for x
    x = 127,343,226,249.31/417,041.01
  6. Step 6: Final answer
    x = 305,349.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.