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Finding the Fourth Proportional to 426,722.44, 588,893.88 and 245,434.15

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Solution

The fourth proportional to 426,722.44, 588,893.88 and 245,434.15 is: 338,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,722.44 : 588,893.88 = 245,434.15 : x
  2. Step 2: Convert to fraction form
    426,722.44/588,893.88 = 245,434.15/x
  3. Step 3: Cross multiply
    426,722.44x = 588,893.88 × 245,434.15
  4. Step 4: Simplify right side
    426,722.44x = 144,534,668,878.00
  5. Step 5: Solve for x
    x = 144,534,668,878.00/426,722.44
  6. Step 6: Final answer
    x = 338,708.85

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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.