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Finding the Fourth Proportional to 427,971.50, 590,600.30 and 236,984.88

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Solution

The fourth proportional to 427,971.50, 590,600.30 and 236,984.88 is: 327,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,971.50 : 590,600.30 = 236,984.88 : x
  2. Step 2: Convert to fraction form
    427,971.50/590,600.30 = 236,984.88/x
  3. Step 3: Cross multiply
    427,971.50x = 590,600.30 × 236,984.88
  4. Step 4: Simplify right side
    427,971.50x = 139,963,340,038.54
  5. Step 5: Solve for x
    x = 139,963,340,038.54/427,971.50
  6. Step 6: Final answer
    x = 327,038.93

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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.