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Finding the Fourth Proportional to 602,480.84, 831,194.26 and 384,697.55

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Solution

The fourth proportional to 602,480.84, 831,194.26 and 384,697.55 is: 530,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,480.84 : 831,194.26 = 384,697.55 : x
  2. Step 2: Convert to fraction form
    602,480.84/831,194.26 = 384,697.55/x
  3. Step 3: Cross multiply
    602,480.84x = 831,194.26 × 384,697.55
  4. Step 4: Simplify right side
    602,480.84x = 319,758,396,512.31
  5. Step 5: Solve for x
    x = 319,758,396,512.31/602,480.84
  6. Step 6: Final answer
    x = 530,736.21

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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.