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Finding the Fourth Proportional to 397,374.80, 596,718.30 and 264,842.60

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Solution

The fourth proportional to 397,374.80, 596,718.30 and 264,842.60 is: 397,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,374.80 : 596,718.30 = 264,842.60 : x
  2. Step 2: Convert to fraction form
    397,374.80/596,718.30 = 264,842.60/x
  3. Step 3: Cross multiply
    397,374.80x = 596,718.30 × 264,842.60
  4. Step 4: Simplify right side
    397,374.80x = 158,036,426,039.58
  5. Step 5: Solve for x
    x = 158,036,426,039.58/397,374.80
  6. Step 6: Final answer
    x = 397,701.18

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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.