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Finding the Fourth Proportional to 532,408.92, 734,459.16 and 317,397.48

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Solution

The fourth proportional to 532,408.92, 734,459.16 and 317,397.48 is: 437,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,408.92 : 734,459.16 = 317,397.48 : x
  2. Step 2: Convert to fraction form
    532,408.92/734,459.16 = 317,397.48/x
  3. Step 3: Cross multiply
    532,408.92x = 734,459.16 × 317,397.48
  4. Step 4: Simplify right side
    532,408.92x = 233,115,486,546.92
  5. Step 5: Solve for x
    x = 233,115,486,546.92/532,408.92
  6. Step 6: Final answer
    x = 437,850.45

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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.