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Finding the Fourth Proportional to 307,307.64, 460,922.58 and 120,450.36

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Solution

The fourth proportional to 307,307.64, 460,922.58 and 120,450.36 is: 180,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,307.64 : 460,922.58 = 120,450.36 : x
  2. Step 2: Convert to fraction form
    307,307.64/460,922.58 = 120,450.36/x
  3. Step 3: Cross multiply
    307,307.64x = 460,922.58 × 120,450.36
  4. Step 4: Simplify right side
    307,307.64x = 55,518,290,693.13
  5. Step 5: Solve for x
    x = 55,518,290,693.13/307,307.64
  6. Step 6: Final answer
    x = 180,660.30

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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.