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Finding the Fourth Proportional to 370,858.90, 556,288.35 and 366,922.30

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Solution

The fourth proportional to 370,858.90, 556,288.35 and 366,922.30 is: 550,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,858.90 : 556,288.35 = 366,922.30 : x
  2. Step 2: Convert to fraction form
    370,858.90/556,288.35 = 366,922.30/x
  3. Step 3: Cross multiply
    370,858.90x = 556,288.35 × 366,922.30
  4. Step 4: Simplify right side
    370,858.90x = 204,114,600,845.21
  5. Step 5: Solve for x
    x = 204,114,600,845.21/370,858.90
  6. Step 6: Final answer
    x = 550,383.45

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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.