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Finding the Fourth Proportional to 370,853.40, 556,452.90 and 277,541.40

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Solution

The fourth proportional to 370,853.40, 556,452.90 and 277,541.40 is: 416,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,853.40 : 556,452.90 = 277,541.40 : x
  2. Step 2: Convert to fraction form
    370,853.40/556,452.90 = 277,541.40/x
  3. Step 3: Cross multiply
    370,853.40x = 556,452.90 × 277,541.40
  4. Step 4: Simplify right side
    370,853.40x = 154,438,716,900.06
  5. Step 5: Solve for x
    x = 154,438,716,900.06/370,853.40
  6. Step 6: Final answer
    x = 416,441.42

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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.