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Finding the Fourth Proportional to 1,037.89, 1,556.93 and 297.51

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Solution

The fourth proportional to 1,037.89, 1,556.93 and 297.51 is: 446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.89 : 1,556.93 = 297.51 : x
  2. Step 2: Convert to fraction form
    1,037.89/1,556.93 = 297.51/x
  3. Step 3: Cross multiply
    1,037.89x = 1,556.93 × 297.51
  4. Step 4: Simplify right side
    1,037.89x = 463,193.34
  5. Step 5: Solve for x
    x = 463,193.34/1,037.89
  6. Step 6: Final answer
    x = 446.28

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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.