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Finding the Fourth Proportional to 455,066.01, 628,116.01 and 264,140.91

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Solution

The fourth proportional to 455,066.01, 628,116.01 and 264,140.91 is: 364,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,066.01 : 628,116.01 = 264,140.91 : x
  2. Step 2: Convert to fraction form
    455,066.01/628,116.01 = 264,140.91/x
  3. Step 3: Cross multiply
    455,066.01x = 628,116.01 × 264,140.91
  4. Step 4: Simplify right side
    455,066.01x = 165,911,134,466.97
  5. Step 5: Solve for x
    x = 165,911,134,466.97/455,066.01
  6. Step 6: Final answer
    x = 364,586.96

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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.