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Finding the Fourth Proportional to 700.58, 1,049.58 and 590.93

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Solution

The fourth proportional to 700.58, 1,049.58 and 590.93 is: 885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.58 : 1,049.58 = 590.93 : x
  2. Step 2: Convert to fraction form
    700.58/1,049.58 = 590.93/x
  3. Step 3: Cross multiply
    700.58x = 1,049.58 × 590.93
  4. Step 4: Simplify right side
    700.58x = 620,228.31
  5. Step 5: Solve for x
    x = 620,228.31/700.58
  6. Step 6: Final answer
    x = 885.31

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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.