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Finding the Fourth Proportional to 374,270.39, 515,955.35 and 266,653.59

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Solution

The fourth proportional to 374,270.39, 515,955.35 and 266,653.59 is: 367,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,270.39 : 515,955.35 = 266,653.59 : x
  2. Step 2: Convert to fraction form
    374,270.39/515,955.35 = 266,653.59/x
  3. Step 3: Cross multiply
    374,270.39x = 515,955.35 × 266,653.59
  4. Step 4: Simplify right side
    374,270.39x = 137,581,345,089.01
  5. Step 5: Solve for x
    x = 137,581,345,089.01/374,270.39
  6. Step 6: Final answer
    x = 367,598.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.