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Finding the Fourth Proportional to 368,895.60, 553,602.60 and 236,098.80

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Solution

The fourth proportional to 368,895.60, 553,602.60 and 236,098.80 is: 354,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,895.60 : 553,602.60 = 236,098.80 : x
  2. Step 2: Convert to fraction form
    368,895.60/553,602.60 = 236,098.80/x
  3. Step 3: Cross multiply
    368,895.60x = 553,602.60 × 236,098.80
  4. Step 4: Simplify right side
    368,895.60x = 130,704,909,536.88
  5. Step 5: Solve for x
    x = 130,704,909,536.88/368,895.60
  6. Step 6: Final answer
    x = 354,314.09

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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.