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Finding the Fourth Proportional to 558,340.80, 837,770.40 and 292,401.60

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Solution

The fourth proportional to 558,340.80, 837,770.40 and 292,401.60 is: 438,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,340.80 : 837,770.40 = 292,401.60 : x
  2. Step 2: Convert to fraction form
    558,340.80/837,770.40 = 292,401.60/x
  3. Step 3: Cross multiply
    558,340.80x = 837,770.40 × 292,401.60
  4. Step 4: Simplify right side
    558,340.80x = 244,965,405,392.64
  5. Step 5: Solve for x
    x = 244,965,405,392.64/558,340.80
  6. Step 6: Final answer
    x = 438,738.14

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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.