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Finding the Fourth Proportional to 583,432.60, 873,399.30 and 346,653.40

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Solution

The fourth proportional to 583,432.60, 873,399.30 and 346,653.40 is: 518,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,432.60 : 873,399.30 = 346,653.40 : x
  2. Step 2: Convert to fraction form
    583,432.60/873,399.30 = 346,653.40/x
  3. Step 3: Cross multiply
    583,432.60x = 873,399.30 × 346,653.40
  4. Step 4: Simplify right side
    583,432.60x = 302,766,836,902.62
  5. Step 5: Solve for x
    x = 302,766,836,902.62/583,432.60
  6. Step 6: Final answer
    x = 518,940.55

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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.