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Finding the Fourth Proportional to 447,291.51, 670,921.11 and 194,572.17

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Solution

The fourth proportional to 447,291.51, 670,921.11 and 194,572.17 is: 291,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,291.51 : 670,921.11 = 194,572.17 : x
  2. Step 2: Convert to fraction form
    447,291.51/670,921.11 = 194,572.17/x
  3. Step 3: Cross multiply
    447,291.51x = 670,921.11 × 194,572.17
  4. Step 4: Simplify right side
    447,291.51x = 130,542,576,271.51
  5. Step 5: Solve for x
    x = 130,542,576,271.51/447,291.51
  6. Step 6: Final answer
    x = 291,851.23

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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.