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Finding the Fourth Proportional to 454,069.36, 626,618.91 and 260,485.51

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Solution

The fourth proportional to 454,069.36, 626,618.91 and 260,485.51 is: 359,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,069.36 : 626,618.91 = 260,485.51 : x
  2. Step 2: Convert to fraction form
    454,069.36/626,618.91 = 260,485.51/x
  3. Step 3: Cross multiply
    454,069.36x = 626,618.91 × 260,485.51
  4. Step 4: Simplify right side
    454,069.36x = 163,225,146,346.99
  5. Step 5: Solve for x
    x = 163,225,146,346.99/454,069.36
  6. Step 6: Final answer
    x = 359,471.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.