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Finding the Fourth Proportional to 583,055.94, 804,621.69 and 328,383.30

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Solution

The fourth proportional to 583,055.94, 804,621.69 and 328,383.30 is: 453,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,055.94 : 804,621.69 = 328,383.30 : x
  2. Step 2: Convert to fraction form
    583,055.94/804,621.69 = 328,383.30/x
  3. Step 3: Cross multiply
    583,055.94x = 804,621.69 × 328,383.30
  4. Step 4: Simplify right side
    583,055.94x = 264,224,325,813.78
  5. Step 5: Solve for x
    x = 264,224,325,813.78/583,055.94
  6. Step 6: Final answer
    x = 453,171.48

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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.