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Finding the Fourth Proportional to 369,345.60, 554,277.60 and 236,548.80

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Solution

The fourth proportional to 369,345.60, 554,277.60 and 236,548.80 is: 354,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,345.60 : 554,277.60 = 236,548.80 : x
  2. Step 2: Convert to fraction form
    369,345.60/554,277.60 = 236,548.80/x
  3. Step 3: Cross multiply
    369,345.60x = 554,277.60 × 236,548.80
  4. Step 4: Simplify right side
    369,345.60x = 131,113,701,146.88
  5. Step 5: Solve for x
    x = 131,113,701,146.88/369,345.60
  6. Step 6: Final answer
    x = 354,989.21

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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.