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Finding the Fourth Proportional to 1,051.04, 1,575.38 and 357.06

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Solution

The fourth proportional to 1,051.04, 1,575.38 and 357.06 is: 535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.04 : 1,575.38 = 357.06 : x
  2. Step 2: Convert to fraction form
    1,051.04/1,575.38 = 357.06/x
  3. Step 3: Cross multiply
    1,051.04x = 1,575.38 × 357.06
  4. Step 4: Simplify right side
    1,051.04x = 562,505.18
  5. Step 5: Solve for x
    x = 562,505.18/1,051.04
  6. Step 6: Final answer
    x = 535.19

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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.