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Finding the Fourth Proportional to 532,190.04, 734,408.08 and 290,475.60

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Solution

The fourth proportional to 532,190.04, 734,408.08 and 290,475.60 is: 400,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,190.04 : 734,408.08 = 290,475.60 : x
  2. Step 2: Convert to fraction form
    532,190.04/734,408.08 = 290,475.60/x
  3. Step 3: Cross multiply
    532,190.04x = 734,408.08 × 290,475.60
  4. Step 4: Simplify right side
    532,190.04x = 213,327,627,682.85
  5. Step 5: Solve for x
    x = 213,327,627,682.85/532,190.04
  6. Step 6: Final answer
    x = 400,848.59

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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.