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Finding the Fourth Proportional to 1,554.08, 2,331.06 and 904.32

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Solution

The fourth proportional to 1,554.08, 2,331.06 and 904.32 is: 1,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.08 : 2,331.06 = 904.32 : x
  2. Step 2: Convert to fraction form
    1,554.08/2,331.06 = 904.32/x
  3. Step 3: Cross multiply
    1,554.08x = 2,331.06 × 904.32
  4. Step 4: Simplify right side
    1,554.08x = 2,108,024.18
  5. Step 5: Solve for x
    x = 2,108,024.18/1,554.08
  6. Step 6: Final answer
    x = 1,356.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.