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Finding the Fourth Proportional to 504,960, 696,867.04 and 290,167.44

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Solution

The fourth proportional to 504,960, 696,867.04 and 290,167.44 is: 400,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,960 : 696,867.04 = 290,167.44 : x
  2. Step 2: Convert to fraction form
    504,960/696,867.04 = 290,167.44/x
  3. Step 3: Cross multiply
    504,960x = 696,867.04 × 290,167.44
  4. Step 4: Simplify right side
    504,960x = 202,208,125,017.18
  5. Step 5: Solve for x
    x = 202,208,125,017.18/504,960
  6. Step 6: Final answer
    x = 400,443.85

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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.