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Finding the Fourth Proportional to 602,093.60, 830,927.60 and 397,786.12

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Solution

The fourth proportional to 602,093.60, 830,927.60 and 397,786.12 is: 548,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,093.60 : 830,927.60 = 397,786.12 : x
  2. Step 2: Convert to fraction form
    602,093.60/830,927.60 = 397,786.12/x
  3. Step 3: Cross multiply
    602,093.60x = 830,927.60 × 397,786.12
  4. Step 4: Simplify right side
    602,093.60x = 330,531,466,004.91
  5. Step 5: Solve for x
    x = 330,531,466,004.91/602,093.60
  6. Step 6: Final answer
    x = 548,970.24

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1.5x scale

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.