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Finding the Fourth Proportional to 670,764.24, 925,616.16 and 368,958.24

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Solution

The fourth proportional to 670,764.24, 925,616.16 and 368,958.24 is: 509,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,764.24 : 925,616.16 = 368,958.24 : x
  2. Step 2: Convert to fraction form
    670,764.24/925,616.16 = 368,958.24/x
  3. Step 3: Cross multiply
    670,764.24x = 925,616.16 × 368,958.24
  4. Step 4: Simplify right side
    670,764.24x = 341,513,709,309.16
  5. Step 5: Solve for x
    x = 341,513,709,309.16/670,764.24
  6. Step 6: Final answer
    x = 509,141.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.