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Finding the Fourth Proportional to 504,881.96, 696,739.06 and 275,444.40

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Solution

The fourth proportional to 504,881.96, 696,739.06 and 275,444.40 is: 380,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,881.96 : 696,739.06 = 275,444.40 : x
  2. Step 2: Convert to fraction form
    504,881.96/696,739.06 = 275,444.40/x
  3. Step 3: Cross multiply
    504,881.96x = 696,739.06 × 275,444.40
  4. Step 4: Simplify right side
    504,881.96x = 191,912,868,165.96
  5. Step 5: Solve for x
    x = 191,912,868,165.96/504,881.96
  6. Step 6: Final answer
    x = 380,114.33

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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.