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Finding the Fourth Proportional to 1,075.05, 1,483.71 and 632.99

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Solution

The fourth proportional to 1,075.05, 1,483.71 and 632.99 is: 873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.05 : 1,483.71 = 632.99 : x
  2. Step 2: Convert to fraction form
    1,075.05/1,483.71 = 632.99/x
  3. Step 3: Cross multiply
    1,075.05x = 1,483.71 × 632.99
  4. Step 4: Simplify right side
    1,075.05x = 939,174.93
  5. Step 5: Solve for x
    x = 939,174.93/1,075.05
  6. Step 6: Final answer
    x = 873.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.