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Finding the Fourth Proportional to 360,491.40, 540,737.10 and 201,059.10

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Solution

The fourth proportional to 360,491.40, 540,737.10 and 201,059.10 is: 301,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,491.40 : 540,737.10 = 201,059.10 : x
  2. Step 2: Convert to fraction form
    360,491.40/540,737.10 = 201,059.10/x
  3. Step 3: Cross multiply
    360,491.40x = 540,737.10 × 201,059.10
  4. Step 4: Simplify right side
    360,491.40x = 108,720,114,662.61
  5. Step 5: Solve for x
    x = 108,720,114,662.61/360,491.40
  6. Step 6: Final answer
    x = 301,588.65

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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.