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Finding the Fourth Proportional to 524,611.60, 788,472.60 and 456,182.80

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Solution

The fourth proportional to 524,611.60, 788,472.60 and 456,182.80 is: 685,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,611.60 : 788,472.60 = 456,182.80 : x
  2. Step 2: Convert to fraction form
    524,611.60/788,472.60 = 456,182.80/x
  3. Step 3: Cross multiply
    524,611.60x = 788,472.60 × 456,182.80
  4. Step 4: Simplify right side
    524,611.60x = 359,687,638,391.28
  5. Step 5: Solve for x
    x = 359,687,638,391.28/524,611.60
  6. Step 6: Final answer
    x = 685,626.54

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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.