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Finding the Fourth Proportional to 524,563.60, 788,400.60 and 456,134.80

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Solution

The fourth proportional to 524,563.60, 788,400.60 and 456,134.80 is: 685,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,563.60 : 788,400.60 = 456,134.80 : x
  2. Step 2: Convert to fraction form
    524,563.60/788,400.60 = 456,134.80/x
  3. Step 3: Cross multiply
    524,563.60x = 788,400.60 × 456,134.80
  4. Step 4: Simplify right side
    524,563.60x = 359,616,950,000.88
  5. Step 5: Solve for x
    x = 359,616,950,000.88/524,563.60
  6. Step 6: Final answer
    x = 685,554.53

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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.