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Finding the Fourth Proportional to 700.48, 1,050.64 and 334.96

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Solution

The fourth proportional to 700.48, 1,050.64 and 334.96 is: 502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.48 : 1,050.64 = 334.96 : x
  2. Step 2: Convert to fraction form
    700.48/1,050.64 = 334.96/x
  3. Step 3: Cross multiply
    700.48x = 1,050.64 × 334.96
  4. Step 4: Simplify right side
    700.48x = 351,922.37
  5. Step 5: Solve for x
    x = 351,922.37/700.48
  6. Step 6: Final answer
    x = 502.40

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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.