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Finding the Fourth Proportional to 514,843.95, 772,265.93 and 346,882.35

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Solution

The fourth proportional to 514,843.95, 772,265.93 and 346,882.35 is: 520,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,843.95 : 772,265.93 = 346,882.35 : x
  2. Step 2: Convert to fraction form
    514,843.95/772,265.93 = 346,882.35/x
  3. Step 3: Cross multiply
    514,843.95x = 772,265.93 × 346,882.35
  4. Step 4: Simplify right side
    514,843.95x = 267,885,418,888.92
  5. Step 5: Solve for x
    x = 267,885,418,888.92/514,843.95
  6. Step 6: Final answer
    x = 520,323.53

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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.