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Finding the Fourth Proportional to 456,353.60, 629,763.86 and 252,413.01

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Solution

The fourth proportional to 456,353.60, 629,763.86 and 252,413.01 is: 348,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,353.60 : 629,763.86 = 252,413.01 : x
  2. Step 2: Convert to fraction form
    456,353.60/629,763.86 = 252,413.01/x
  3. Step 3: Cross multiply
    456,353.60x = 629,763.86 × 252,413.01
  4. Step 4: Simplify right side
    456,353.60x = 158,960,592,122.85
  5. Step 5: Solve for x
    x = 158,960,592,122.85/456,353.60
  6. Step 6: Final answer
    x = 348,327.69

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1.5x scale

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.