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Finding the Fourth Proportional to 450,051.22, 620,844.24 and 296,928.01

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Solution

The fourth proportional to 450,051.22, 620,844.24 and 296,928.01 is: 409,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,051.22 : 620,844.24 = 296,928.01 : x
  2. Step 2: Convert to fraction form
    450,051.22/620,844.24 = 296,928.01/x
  3. Step 3: Cross multiply
    450,051.22x = 620,844.24 × 296,928.01
  4. Step 4: Simplify right side
    450,051.22x = 184,346,044,703.16
  5. Step 5: Solve for x
    x = 184,346,044,703.16/450,051.22
  6. Step 6: Final answer
    x = 409,611.25

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Why These Related Problems?

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