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Finding the Fourth Proportional to 403,256.41, 604,886.31 and 163,374.98

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Solution

The fourth proportional to 403,256.41, 604,886.31 and 163,374.98 is: 245,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,256.41 : 604,886.31 = 163,374.98 : x
  2. Step 2: Convert to fraction form
    403,256.41/604,886.31 = 163,374.98/x
  3. Step 3: Cross multiply
    403,256.41x = 604,886.31 × 163,374.98
  4. Step 4: Simplify right side
    403,256.41x = 98,823,285,774.09
  5. Step 5: Solve for x
    x = 98,823,285,774.09/403,256.41
  6. Step 6: Final answer
    x = 245,063.15

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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.