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Finding the Fourth Proportional to 301,878.20, 453,108.90 and 183,780.20

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Solution

The fourth proportional to 301,878.20, 453,108.90 and 183,780.20 is: 275,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,878.20 : 453,108.90 = 183,780.20 : x
  2. Step 2: Convert to fraction form
    301,878.20/453,108.90 = 183,780.20/x
  3. Step 3: Cross multiply
    301,878.20x = 453,108.90 × 183,780.20
  4. Step 4: Simplify right side
    301,878.20x = 83,272,444,263.78
  5. Step 5: Solve for x
    x = 83,272,444,263.78/301,878.20
  6. Step 6: Final answer
    x = 275,847.82

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1.5x scale

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.