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Finding the Fourth Proportional to 1,075.11, 1,483.50 and 603.01

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Solution

The fourth proportional to 1,075.11, 1,483.50 and 603.01 is: 832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.11 : 1,483.50 = 603.01 : x
  2. Step 2: Convert to fraction form
    1,075.11/1,483.50 = 603.01/x
  3. Step 3: Cross multiply
    1,075.11x = 1,483.50 × 603.01
  4. Step 4: Simplify right side
    1,075.11x = 894,565.34
  5. Step 5: Solve for x
    x = 894,565.34/1,075.11
  6. Step 6: Final answer
    x = 832.07

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Why These Related Problems?

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