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Finding the Fourth Proportional to 367,271.40, 514,879.80 and 367,271.40

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Solution

The fourth proportional to 367,271.40, 514,879.80 and 367,271.40 is: 514,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,271.40 : 514,879.80 = 367,271.40 : x
  2. Step 2: Convert to fraction form
    367,271.40/514,879.80 = 367,271.40/x
  3. Step 3: Cross multiply
    367,271.40x = 514,879.80 × 367,271.40
  4. Step 4: Simplify right side
    367,271.40x = 189,100,624,977.72
  5. Step 5: Solve for x
    x = 189,100,624,977.72/367,271.40
  6. Step 6: Final answer
    x = 514,879.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.