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Finding the Fourth Proportional to 536,708.95, 740,728.43 and 346,276.33

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Solution

The fourth proportional to 536,708.95, 740,728.43 and 346,276.33 is: 477,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,708.95 : 740,728.43 = 346,276.33 : x
  2. Step 2: Convert to fraction form
    536,708.95/740,728.43 = 346,276.33/x
  3. Step 3: Cross multiply
    536,708.95x = 740,728.43 × 346,276.33
  4. Step 4: Simplify right side
    536,708.95x = 256,496,720,535.68
  5. Step 5: Solve for x
    x = 256,496,720,535.68/536,708.95
  6. Step 6: Final answer
    x = 477,906.55

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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.