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Finding the Fourth Proportional to 602,196.98, 831,047.09 and 330,275.70

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Solution

The fourth proportional to 602,196.98, 831,047.09 and 330,275.70 is: 455,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,196.98 : 831,047.09 = 330,275.70 : x
  2. Step 2: Convert to fraction form
    602,196.98/831,047.09 = 330,275.70/x
  3. Step 3: Cross multiply
    602,196.98x = 831,047.09 × 330,275.70
  4. Step 4: Simplify right side
    602,196.98x = 274,474,659,382.71
  5. Step 5: Solve for x
    x = 274,474,659,382.71/602,196.98
  6. Step 6: Final answer
    x = 455,788.83

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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.