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Finding the Fourth Proportional to 367,637.40, 513,642.60 and 367,637.40

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Solution

The fourth proportional to 367,637.40, 513,642.60 and 367,637.40 is: 513,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,637.40 : 513,642.60 = 367,637.40 : x
  2. Step 2: Convert to fraction form
    367,637.40/513,642.60 = 367,637.40/x
  3. Step 3: Cross multiply
    367,637.40x = 513,642.60 × 367,637.40
  4. Step 4: Simplify right side
    367,637.40x = 188,834,229,993.24
  5. Step 5: Solve for x
    x = 188,834,229,993.24/367,637.40
  6. Step 6: Final answer
    x = 513,642.60

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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.