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Finding the Fourth Proportional to 427,874.32, 590,466.55 and 236,900.01

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Solution

The fourth proportional to 427,874.32, 590,466.55 and 236,900.01 is: 326,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,874.32 : 590,466.55 = 236,900.01 : x
  2. Step 2: Convert to fraction form
    427,874.32/590,466.55 = 236,900.01/x
  3. Step 3: Cross multiply
    427,874.32x = 590,466.55 × 236,900.01
  4. Step 4: Simplify right side
    427,874.32x = 139,881,531,599.67
  5. Step 5: Solve for x
    x = 139,881,531,599.67/427,874.32
  6. Step 6: Final answer
    x = 326,922.01

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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.