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Finding the Fourth Proportional to 525,676.92, 788,504.05 and 146,587.56

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Solution

The fourth proportional to 525,676.92, 788,504.05 and 146,587.56 is: 219,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,676.92 : 788,504.05 = 146,587.56 : x
  2. Step 2: Convert to fraction form
    525,676.92/788,504.05 = 146,587.56/x
  3. Step 3: Cross multiply
    525,676.92x = 788,504.05 × 146,587.56
  4. Step 4: Simplify right side
    525,676.92x = 115,584,881,965.96
  5. Step 5: Solve for x
    x = 115,584,881,965.96/525,676.92
  6. Step 6: Final answer
    x = 219,878.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.