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Finding the Fourth Proportional to 451,588.64, 623,187.18 and 260,597.94

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Solution

The fourth proportional to 451,588.64, 623,187.18 and 260,597.94 is: 359,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,588.64 : 623,187.18 = 260,597.94 : x
  2. Step 2: Convert to fraction form
    451,588.64/623,187.18 = 260,597.94/x
  3. Step 3: Cross multiply
    451,588.64x = 623,187.18 × 260,597.94
  4. Step 4: Simplify right side
    451,588.64x = 162,401,295,342.41
  5. Step 5: Solve for x
    x = 162,401,295,342.41/451,588.64
  6. Step 6: Final answer
    x = 359,622.19

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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.