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Finding the Fourth Proportional to 524,764.80, 788,896.80 and 447,782.40

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Solution

The fourth proportional to 524,764.80, 788,896.80 and 447,782.40 is: 673,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,764.80 : 788,896.80 = 447,782.40 : x
  2. Step 2: Convert to fraction form
    524,764.80/788,896.80 = 447,782.40/x
  3. Step 3: Cross multiply
    524,764.80x = 788,896.80 × 447,782.40
  4. Step 4: Simplify right side
    524,764.80x = 353,254,102,456.32
  5. Step 5: Solve for x
    x = 353,254,102,456.32/524,764.80
  6. Step 6: Final answer
    x = 673,166.54

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1.5x scale

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.