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Finding the Fourth Proportional to 515,267.67, 772,527.83 and 346,369.08

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Solution

The fourth proportional to 515,267.67, 772,527.83 and 346,369.08 is: 519,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,267.67 : 772,527.83 = 346,369.08 : x
  2. Step 2: Convert to fraction form
    515,267.67/772,527.83 = 346,369.08/x
  3. Step 3: Cross multiply
    515,267.67x = 772,527.83 × 346,369.08
  4. Step 4: Simplify right side
    515,267.67x = 267,579,749,888.86
  5. Step 5: Solve for x
    x = 267,579,749,888.86/515,267.67
  6. Step 6: Final answer
    x = 519,302.43

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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.