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Finding the Fourth Proportional to 360,485.98, 497,479.16 and 199,344.18

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Solution

The fourth proportional to 360,485.98, 497,479.16 and 199,344.18 is: 275,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,485.98 : 497,479.16 = 199,344.18 : x
  2. Step 2: Convert to fraction form
    360,485.98/497,479.16 = 199,344.18/x
  3. Step 3: Cross multiply
    360,485.98x = 497,479.16 × 199,344.18
  4. Step 4: Simplify right side
    360,485.98x = 99,169,575,217.29
  5. Step 5: Solve for x
    x = 99,169,575,217.29/360,485.98
  6. Step 6: Final answer
    x = 275,099.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.