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Finding the Fourth Proportional to 423,175.51, 583,980.40 and 232,184.80

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Solution

The fourth proportional to 423,175.51, 583,980.40 and 232,184.80 is: 320,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,175.51 : 583,980.40 = 232,184.80 : x
  2. Step 2: Convert to fraction form
    423,175.51/583,980.40 = 232,184.80/x
  3. Step 3: Cross multiply
    423,175.51x = 583,980.40 × 232,184.80
  4. Step 4: Simplify right side
    423,175.51x = 135,591,373,398.13
  5. Step 5: Solve for x
    x = 135,591,373,398.13/423,175.51
  6. Step 6: Final answer
    x = 320,414.04

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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.