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Finding the Fourth Proportional to 481,774.76, 664,870.93 and 266,914.81

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Solution

The fourth proportional to 481,774.76, 664,870.93 and 266,914.81 is: 368,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,774.76 : 664,870.93 = 266,914.81 : x
  2. Step 2: Convert to fraction form
    481,774.76/664,870.93 = 266,914.81/x
  3. Step 3: Cross multiply
    481,774.76x = 664,870.93 × 266,914.81
  4. Step 4: Simplify right side
    481,774.76x = 177,463,897,955.47
  5. Step 5: Solve for x
    x = 177,463,897,955.47/481,774.76
  6. Step 6: Final answer
    x = 368,354.50

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1.5x scale

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.