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Finding the Fourth Proportional to 427,957.02, 590,412.24 and 274,972.32

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Solution

The fourth proportional to 427,957.02, 590,412.24 and 274,972.32 is: 379,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,957.02 : 590,412.24 = 274,972.32 : x
  2. Step 2: Convert to fraction form
    427,957.02/590,412.24 = 274,972.32/x
  3. Step 3: Cross multiply
    427,957.02x = 590,412.24 × 274,972.32
  4. Step 4: Simplify right side
    427,957.02x = 162,347,023,389.20
  5. Step 5: Solve for x
    x = 162,347,023,389.20/427,957.02
  6. Step 6: Final answer
    x = 379,353.57

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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.