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Finding the Fourth Proportional to 448,374.66, 672,956.74 and 235,294.72

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Solution

The fourth proportional to 448,374.66, 672,956.74 and 235,294.72 is: 353,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,374.66 : 672,956.74 = 235,294.72 : x
  2. Step 2: Convert to fraction form
    448,374.66/672,956.74 = 235,294.72/x
  3. Step 3: Cross multiply
    448,374.66x = 672,956.74 × 235,294.72
  4. Step 4: Simplify right side
    448,374.66x = 158,343,167,710.41
  5. Step 5: Solve for x
    x = 158,343,167,710.41/448,374.66
  6. Step 6: Final answer
    x = 353,149.23

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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.