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Finding the Fourth Proportional to 383,651.36, 575,477.04 and 162,037.28

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Solution

The fourth proportional to 383,651.36, 575,477.04 and 162,037.28 is: 243,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,651.36 : 575,477.04 = 162,037.28 : x
  2. Step 2: Convert to fraction form
    383,651.36/575,477.04 = 162,037.28/x
  3. Step 3: Cross multiply
    383,651.36x = 575,477.04 × 162,037.28
  4. Step 4: Simplify right side
    383,651.36x = 93,248,734,264.05
  5. Step 5: Solve for x
    x = 93,248,734,264.05/383,651.36
  6. Step 6: Final answer
    x = 243,055.92

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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.