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Finding the Fourth Proportional to 515,268.66, 772,529.31 and 346,370.06

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Solution

The fourth proportional to 515,268.66, 772,529.31 and 346,370.06 is: 519,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,268.66 : 772,529.31 = 346,370.06 : x
  2. Step 2: Convert to fraction form
    515,268.66/772,529.31 = 346,370.06/x
  3. Step 3: Cross multiply
    515,268.66x = 772,529.31 × 346,370.06
  4. Step 4: Simplify right side
    515,268.66x = 267,581,023,655.93
  5. Step 5: Solve for x
    x = 267,581,023,655.93/515,268.66
  6. Step 6: Final answer
    x = 519,303.90

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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.