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Finding the Fourth Proportional to 455,030.10, 628,066.44 and 264,105

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Solution

The fourth proportional to 455,030.10, 628,066.44 and 264,105 is: 364,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,030.10 : 628,066.44 = 264,105 : x
  2. Step 2: Convert to fraction form
    455,030.10/628,066.44 = 264,105/x
  3. Step 3: Cross multiply
    455,030.10x = 628,066.44 × 264,105
  4. Step 4: Simplify right side
    455,030.10x = 165,875,487,136.20
  5. Step 5: Solve for x
    x = 165,875,487,136.20/455,030.10
  6. Step 6: Final answer
    x = 364,537.39

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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.