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Finding the Fourth Proportional to 426,690.53, 588,808.48 and 254,802.45

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Solution

The fourth proportional to 426,690.53, 588,808.48 and 254,802.45 is: 351,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,690.53 : 588,808.48 = 254,802.45 : x
  2. Step 2: Convert to fraction form
    426,690.53/588,808.48 = 254,802.45/x
  3. Step 3: Cross multiply
    426,690.53x = 588,808.48 × 254,802.45
  4. Step 4: Simplify right side
    426,690.53x = 150,029,843,284.78
  5. Step 5: Solve for x
    x = 150,029,843,284.78/426,690.53
  6. Step 6: Final answer
    x = 351,612.78

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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.