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Finding the Fourth Proportional to 525,568.48, 788,339.28 and 146,487.52

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Solution

The fourth proportional to 525,568.48, 788,339.28 and 146,487.52 is: 219,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,568.48 : 788,339.28 = 146,487.52 : x
  2. Step 2: Convert to fraction form
    525,568.48/788,339.28 = 146,487.52/x
  3. Step 3: Cross multiply
    525,568.48x = 788,339.28 × 146,487.52
  4. Step 4: Simplify right side
    525,568.48x = 115,481,866,045.79
  5. Step 5: Solve for x
    x = 115,481,866,045.79/525,568.48
  6. Step 6: Final answer
    x = 219,727.53

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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.