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Finding the Fourth Proportional to 266,775.80, 374,108.20 and 266,775.80

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Solution

The fourth proportional to 266,775.80, 374,108.20 and 266,775.80 is: 374,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,775.80 : 374,108.20 = 266,775.80 : x
  2. Step 2: Convert to fraction form
    266,775.80/374,108.20 = 266,775.80/x
  3. Step 3: Cross multiply
    266,775.80x = 374,108.20 × 266,775.80
  4. Step 4: Simplify right side
    266,775.80x = 99,803,014,341.56
  5. Step 5: Solve for x
    x = 99,803,014,341.56/266,775.80
  6. Step 6: Final answer
    x = 374,108.20

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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.