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Finding the Fourth Proportional to 1,038.36, 1,557.54 and 599.34

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Solution

The fourth proportional to 1,038.36, 1,557.54 and 599.34 is: 899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.36 : 1,557.54 = 599.34 : x
  2. Step 2: Convert to fraction form
    1,038.36/1,557.54 = 599.34/x
  3. Step 3: Cross multiply
    1,038.36x = 1,557.54 × 599.34
  4. Step 4: Simplify right side
    1,038.36x = 933,496.02
  5. Step 5: Solve for x
    x = 933,496.02/1,038.36
  6. Step 6: Final answer
    x = 899.01

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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.