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Finding the Fourth Proportional to 281,271.60, 423,413.76 and 252,337.59

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Solution

The fourth proportional to 281,271.60, 423,413.76 and 252,337.59 is: 379,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,271.60 : 423,413.76 = 252,337.59 : x
  2. Step 2: Convert to fraction form
    281,271.60/423,413.76 = 252,337.59/x
  3. Step 3: Cross multiply
    281,271.60x = 423,413.76 × 252,337.59
  4. Step 4: Simplify right side
    281,271.60x = 106,843,207,771.24
  5. Step 5: Solve for x
    x = 106,843,207,771.24/281,271.60
  6. Step 6: Final answer
    x = 379,857.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.