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Finding the Fourth Proportional to 504,804.59, 696,643.47 and 275,365.75

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Solution

The fourth proportional to 504,804.59, 696,643.47 and 275,365.75 is: 380,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,804.59 : 696,643.47 = 275,365.75 : x
  2. Step 2: Convert to fraction form
    504,804.59/696,643.47 = 275,365.75/x
  3. Step 3: Cross multiply
    504,804.59x = 696,643.47 × 275,365.75
  4. Step 4: Simplify right side
    504,804.59x = 191,831,751,599.15
  5. Step 5: Solve for x
    x = 191,831,751,599.15/504,804.59
  6. Step 6: Final answer
    x = 380,011.90

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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.