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Finding the Fourth Proportional to 543,465.70, 813,643.35 and 333,513.70

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Solution

The fourth proportional to 543,465.70, 813,643.35 and 333,513.70 is: 499,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,465.70 : 813,643.35 = 333,513.70 : x
  2. Step 2: Convert to fraction form
    543,465.70/813,643.35 = 333,513.70/x
  3. Step 3: Cross multiply
    543,465.70x = 813,643.35 × 333,513.70
  4. Step 4: Simplify right side
    543,465.70x = 271,361,204,138.90
  5. Step 5: Solve for x
    x = 271,361,204,138.90/543,465.70
  6. Step 6: Final answer
    x = 499,316.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.