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Finding the Fourth Proportional to 370,836.40, 556,254.60 and 366,899.80

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Solution

The fourth proportional to 370,836.40, 556,254.60 and 366,899.80 is: 550,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,836.40 : 556,254.60 = 366,899.80 : x
  2. Step 2: Convert to fraction form
    370,836.40/556,254.60 = 366,899.80/x
  3. Step 3: Cross multiply
    370,836.40x = 556,254.60 × 366,899.80
  4. Step 4: Simplify right side
    370,836.40x = 204,089,701,489.08
  5. Step 5: Solve for x
    x = 204,089,701,489.08/370,836.40
  6. Step 6: Final answer
    x = 550,349.70

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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.