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Finding the Fourth Proportional to 602,082.84, 830,883.66 and 330,175.56

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Solution

The fourth proportional to 602,082.84, 830,883.66 and 330,175.56 is: 455,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,082.84 : 830,883.66 = 330,175.56 : x
  2. Step 2: Convert to fraction form
    602,082.84/830,883.66 = 330,175.56/x
  3. Step 3: Cross multiply
    602,082.84x = 830,883.66 × 330,175.56
  4. Step 4: Simplify right side
    602,082.84x = 274,337,477,735.35
  5. Step 5: Solve for x
    x = 274,337,477,735.35/602,082.84
  6. Step 6: Final answer
    x = 455,647.40

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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.