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Finding the Fourth Proportional to 532,709.40, 799,064.10 and 448,728.60

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Solution

The fourth proportional to 532,709.40, 799,064.10 and 448,728.60 is: 673,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,709.40 : 799,064.10 = 448,728.60 : x
  2. Step 2: Convert to fraction form
    532,709.40/799,064.10 = 448,728.60/x
  3. Step 3: Cross multiply
    532,709.40x = 799,064.10 × 448,728.60
  4. Step 4: Simplify right side
    532,709.40x = 358,562,914,903.26
  5. Step 5: Solve for x
    x = 358,562,914,903.26/532,709.40
  6. Step 6: Final answer
    x = 673,092.90

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Similar ratio
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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.