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Finding the Fourth Proportional to 266,784.80, 374,120.80 and 266,784.80

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Solution

The fourth proportional to 266,784.80, 374,120.80 and 266,784.80 is: 374,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,784.80 : 374,120.80 = 266,784.80 : x
  2. Step 2: Convert to fraction form
    266,784.80/374,120.80 = 266,784.80/x
  3. Step 3: Cross multiply
    266,784.80x = 374,120.80 × 266,784.80
  4. Step 4: Simplify right side
    266,784.80x = 99,809,742,803.84
  5. Step 5: Solve for x
    x = 99,809,742,803.84/266,784.80
  6. Step 6: Final answer
    x = 374,120.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.