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Finding the Fourth Proportional to 1,050.79, 1,450.30 and 602.93

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Solution

The fourth proportional to 1,050.79, 1,450.30 and 602.93 is: 832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.79 : 1,450.30 = 602.93 : x
  2. Step 2: Convert to fraction form
    1,050.79/1,450.30 = 602.93/x
  3. Step 3: Cross multiply
    1,050.79x = 1,450.30 × 602.93
  4. Step 4: Simplify right side
    1,050.79x = 874,422.74
  5. Step 5: Solve for x
    x = 874,422.74/1,050.79
  6. Step 6: Final answer
    x = 832.16

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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.