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Finding the Fourth Proportional to 525,677.28, 788,504.61 and 146,587.92

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Solution

The fourth proportional to 525,677.28, 788,504.61 and 146,587.92 is: 219,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,677.28 : 788,504.61 = 146,587.92 : x
  2. Step 2: Convert to fraction form
    525,677.28/788,504.61 = 146,587.92/x
  3. Step 3: Cross multiply
    525,677.28x = 788,504.61 × 146,587.92
  4. Step 4: Simplify right side
    525,677.28x = 115,585,250,690.31
  5. Step 5: Solve for x
    x = 115,585,250,690.31/525,677.28
  6. Step 6: Final answer
    x = 219,878.73

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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.