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Finding the Fourth Proportional to 235,670.58, 353,509.65 and 223,707.69

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Solution

The fourth proportional to 235,670.58, 353,509.65 and 223,707.69 is: 335,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,670.58 : 353,509.65 = 223,707.69 : x
  2. Step 2: Convert to fraction form
    235,670.58/353,509.65 = 223,707.69/x
  3. Step 3: Cross multiply
    235,670.58x = 353,509.65 × 223,707.69
  4. Step 4: Simplify right side
    235,670.58x = 79,082,827,194.21
  5. Step 5: Solve for x
    x = 79,082,827,194.21/235,670.58
  6. Step 6: Final answer
    x = 335,565.12

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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.