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Finding the Fourth Proportional to 602,073.03, 830,870.16 and 330,165.75

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Solution

The fourth proportional to 602,073.03, 830,870.16 and 330,165.75 is: 455,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,073.03 : 830,870.16 = 330,165.75 : x
  2. Step 2: Convert to fraction form
    602,073.03/830,870.16 = 330,165.75/x
  3. Step 3: Cross multiply
    602,073.03x = 830,870.16 × 330,165.75
  4. Step 4: Simplify right side
    602,073.03x = 274,324,869,529.02
  5. Step 5: Solve for x
    x = 274,324,869,529.02/602,073.03
  6. Step 6: Final answer
    x = 455,633.88

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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.