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Finding the Fourth Proportional to 507,452.16, 700,282.08 and 281,092.80

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Solution

The fourth proportional to 507,452.16, 700,282.08 and 281,092.80 is: 387,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,452.16 : 700,282.08 = 281,092.80 : x
  2. Step 2: Convert to fraction form
    507,452.16/700,282.08 = 281,092.80/x
  3. Step 3: Cross multiply
    507,452.16x = 700,282.08 × 281,092.80
  4. Step 4: Simplify right side
    507,452.16x = 196,844,250,657.02
  5. Step 5: Solve for x
    x = 196,844,250,657.02/507,452.16
  6. Step 6: Final answer
    x = 387,907.01

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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.