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Finding the Fourth Proportional to 583,321.60, 873,232.80 and 346,542.40

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Solution

The fourth proportional to 583,321.60, 873,232.80 and 346,542.40 is: 518,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,321.60 : 873,232.80 = 346,542.40 : x
  2. Step 2: Convert to fraction form
    583,321.60/873,232.80 = 346,542.40/x
  3. Step 3: Cross multiply
    583,321.60x = 873,232.80 × 346,542.40
  4. Step 4: Simplify right side
    583,321.60x = 302,612,190,270.72
  5. Step 5: Solve for x
    x = 302,612,190,270.72/583,321.60
  6. Step 6: Final answer
    x = 518,774.19

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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.