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Finding the Fourth Proportional to 451,625.95, 623,271.40 and 260,651.64

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Solution

The fourth proportional to 451,625.95, 623,271.40 and 260,651.64 is: 359,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,625.95 : 623,271.40 = 260,651.64 : x
  2. Step 2: Convert to fraction form
    451,625.95/623,271.40 = 260,651.64/x
  3. Step 3: Cross multiply
    451,625.95x = 623,271.40 × 260,651.64
  4. Step 4: Simplify right side
    451,625.95x = 162,456,711,923.47
  5. Step 5: Solve for x
    x = 162,456,711,923.47/451,625.95
  6. Step 6: Final answer
    x = 359,715.19

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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.