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Finding the Fourth Proportional to 451,644.03, 623,223.86 and 260,718.93

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Solution

The fourth proportional to 451,644.03, 623,223.86 and 260,718.93 is: 359,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,644.03 : 623,223.86 = 260,718.93 : x
  2. Step 2: Convert to fraction form
    451,644.03/623,223.86 = 260,718.93/x
  3. Step 3: Cross multiply
    451,644.03x = 623,223.86 × 260,718.93
  4. Step 4: Simplify right side
    451,644.03x = 162,486,256,626.08
  5. Step 5: Solve for x
    x = 162,486,256,626.08/451,644.03
  6. Step 6: Final answer
    x = 359,766.20

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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.