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Finding the Fourth Proportional to 800,461.53, 1,104,663.22 and 456,291.32

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Solution

The fourth proportional to 800,461.53, 1,104,663.22 and 456,291.32 is: 629,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,461.53 : 1,104,663.22 = 456,291.32 : x
  2. Step 2: Convert to fraction form
    800,461.53/1,104,663.22 = 456,291.32/x
  3. Step 3: Cross multiply
    800,461.53x = 1,104,663.22 × 456,291.32
  4. Step 4: Simplify right side
    800,461.53x = 504,048,232,145.21
  5. Step 5: Solve for x
    x = 504,048,232,145.21/800,461.53
  6. Step 6: Final answer
    x = 629,697.01

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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.