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Finding the Fourth Proportional to 570,104.20, 854,465.10 and 254,225.80

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Solution

The fourth proportional to 570,104.20, 854,465.10 and 254,225.80 is: 381,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,104.20 : 854,465.10 = 254,225.80 : x
  2. Step 2: Convert to fraction form
    570,104.20/854,465.10 = 254,225.80/x
  3. Step 3: Cross multiply
    570,104.20x = 854,465.10 × 254,225.80
  4. Step 4: Simplify right side
    570,104.20x = 217,227,073,619.58
  5. Step 5: Solve for x
    x = 217,227,073,619.58/570,104.20
  6. Step 6: Final answer
    x = 381,030.47

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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.