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Finding the Fourth Proportional to 427,731, 590,400.18 and 246,564.03

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Solution

The fourth proportional to 427,731, 590,400.18 and 246,564.03 is: 340,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,731 : 590,400.18 = 246,564.03 : x
  2. Step 2: Convert to fraction form
    427,731/590,400.18 = 246,564.03/x
  3. Step 3: Cross multiply
    427,731x = 590,400.18 × 246,564.03
  4. Step 4: Simplify right side
    427,731x = 145,571,447,693.53
  5. Step 5: Solve for x
    x = 145,571,447,693.53/427,731
  6. Step 6: Final answer
    x = 340,334.11

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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.