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Finding the Fourth Proportional to 906,008.80, 1,359,007.80 and 232,088.80

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Solution

The fourth proportional to 906,008.80, 1,359,007.80 and 232,088.80 is: 348,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,008.80 : 1,359,007.80 = 232,088.80 : x
  2. Step 2: Convert to fraction form
    906,008.80/1,359,007.80 = 232,088.80/x
  3. Step 3: Cross multiply
    906,008.80x = 1,359,007.80 × 232,088.80
  4. Step 4: Simplify right side
    906,008.80x = 315,410,489,492.64
  5. Step 5: Solve for x
    x = 315,410,489,492.64/906,008.80
  6. Step 6: Final answer
    x = 348,131.82

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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.