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Finding the Fourth Proportional to 415,817.75, 573,827.72 and 234,529.12

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Solution

The fourth proportional to 415,817.75, 573,827.72 and 234,529.12 is: 323,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,817.75 : 573,827.72 = 234,529.12 : x
  2. Step 2: Convert to fraction form
    415,817.75/573,827.72 = 234,529.12/x
  3. Step 3: Cross multiply
    415,817.75x = 573,827.72 × 234,529.12
  4. Step 4: Simplify right side
    415,817.75x = 134,579,310,407.46
  5. Step 5: Solve for x
    x = 134,579,310,407.46/415,817.75
  6. Step 6: Final answer
    x = 323,649.75

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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.