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Finding the Fourth Proportional to 415,364.20, 573,204.84 and 234,078.94

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Solution

The fourth proportional to 415,364.20, 573,204.84 and 234,078.94 is: 323,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,364.20 : 573,204.84 = 234,078.94 : x
  2. Step 2: Convert to fraction form
    415,364.20/573,204.84 = 234,078.94/x
  3. Step 3: Cross multiply
    415,364.20x = 573,204.84 × 234,078.94
  4. Step 4: Simplify right side
    415,364.20x = 134,175,181,350.07
  5. Step 5: Solve for x
    x = 134,175,181,350.07/415,364.20
  6. Step 6: Final answer
    x = 323,030.20

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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.