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Finding the Fourth Proportional to 427,893.22, 590,620.65 and 277,000.42

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Solution

The fourth proportional to 427,893.22, 590,620.65 and 277,000.42 is: 382,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,893.22 : 590,620.65 = 277,000.42 : x
  2. Step 2: Convert to fraction form
    427,893.22/590,620.65 = 277,000.42/x
  3. Step 3: Cross multiply
    427,893.22x = 590,620.65 × 277,000.42
  4. Step 4: Simplify right side
    427,893.22x = 163,602,168,110.67
  5. Step 5: Solve for x
    x = 163,602,168,110.67/427,893.22
  6. Step 6: Final answer
    x = 382,343.45

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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.