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Finding the Fourth Proportional to 432,491.40, 648,735.57 and 116,948.28

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Solution

The fourth proportional to 432,491.40, 648,735.57 and 116,948.28 is: 175,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,491.40 : 648,735.57 = 116,948.28 : x
  2. Step 2: Convert to fraction form
    432,491.40/648,735.57 = 116,948.28/x
  3. Step 3: Cross multiply
    432,491.40x = 648,735.57 × 116,948.28
  4. Step 4: Simplify right side
    432,491.40x = 75,868,509,086.32
  5. Step 5: Solve for x
    x = 75,868,509,086.32/432,491.40
  6. Step 6: Final answer
    x = 175,422.01

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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.