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Finding the Fourth Proportional to 535,290.93, 738,634.05 and 293,509.89

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Solution

The fourth proportional to 535,290.93, 738,634.05 and 293,509.89 is: 405,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,290.93 : 738,634.05 = 293,509.89 : x
  2. Step 2: Convert to fraction form
    535,290.93/738,634.05 = 293,509.89/x
  3. Step 3: Cross multiply
    535,290.93x = 738,634.05 × 293,509.89
  4. Step 4: Simplify right side
    535,290.93x = 216,796,398,765.76
  5. Step 5: Solve for x
    x = 216,796,398,765.76/535,290.93
  6. Step 6: Final answer
    x = 405,006.67

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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.