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Finding the Fourth Proportional to 532,465.03, 734,805.30 and 290,749.29

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Solution

The fourth proportional to 532,465.03, 734,805.30 and 290,749.29 is: 401,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,465.03 : 734,805.30 = 290,749.29 : x
  2. Step 2: Convert to fraction form
    532,465.03/734,805.30 = 290,749.29/x
  3. Step 3: Cross multiply
    532,465.03x = 734,805.30 × 290,749.29
  4. Step 4: Simplify right side
    532,465.03x = 213,644,119,263.24
  5. Step 5: Solve for x
    x = 213,644,119,263.24/532,465.03
  6. Step 6: Final answer
    x = 401,235.96

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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.