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Finding the Fourth Proportional to 602,255.58, 831,135.95 and 330,334.93

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Solution

The fourth proportional to 602,255.58, 831,135.95 and 330,334.93 is: 455,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,255.58 : 831,135.95 = 330,334.93 : x
  2. Step 2: Convert to fraction form
    602,255.58/831,135.95 = 330,334.93/x
  3. Step 3: Cross multiply
    602,255.58x = 831,135.95 × 330,334.93
  4. Step 4: Simplify right side
    602,255.58x = 274,553,235,863.73
  5. Step 5: Solve for x
    x = 274,553,235,863.73/602,255.58
  6. Step 6: Final answer
    x = 455,874.96

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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.