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Finding the Fourth Proportional to 543,834.30, 815,751.45 and 463,352.70

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Solution

The fourth proportional to 543,834.30, 815,751.45 and 463,352.70 is: 695,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834.30 : 815,751.45 = 463,352.70 : x
  2. Step 2: Convert to fraction form
    543,834.30/815,751.45 = 463,352.70/x
  3. Step 3: Cross multiply
    543,834.30x = 815,751.45 × 463,352.70
  4. Step 4: Simplify right side
    543,834.30x = 377,980,636,886.42
  5. Step 5: Solve for x
    x = 377,980,636,886.42/543,834.30
  6. Step 6: Final answer
    x = 695,029.05

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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.