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Finding the Fourth Proportional to 503,820.90, 695,241.32 and 277,466.40

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Solution

The fourth proportional to 503,820.90, 695,241.32 and 277,466.40 is: 382,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,820.90 : 695,241.32 = 277,466.40 : x
  2. Step 2: Convert to fraction form
    503,820.90/695,241.32 = 277,466.40/x
  3. Step 3: Cross multiply
    503,820.90x = 695,241.32 × 277,466.40
  4. Step 4: Simplify right side
    503,820.90x = 192,906,104,804.32
  5. Step 5: Solve for x
    x = 192,906,104,804.32/503,820.90
  6. Step 6: Final answer
    x = 382,886.27

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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.