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Finding the Fourth Proportional to 411,340.01, 617,003.54 and 299,728.49

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Solution

The fourth proportional to 411,340.01, 617,003.54 and 299,728.49 is: 449,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,340.01 : 617,003.54 = 299,728.49 : x
  2. Step 2: Convert to fraction form
    411,340.01/617,003.54 = 299,728.49/x
  3. Step 3: Cross multiply
    411,340.01x = 617,003.54 × 299,728.49
  4. Step 4: Simplify right side
    411,340.01x = 184,933,537,870.21
  5. Step 5: Solve for x
    x = 184,933,537,870.21/411,340.01
  6. Step 6: Final answer
    x = 449,588.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.