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Finding the Fourth Proportional to 349,701.90, 524,552.85 and 343,869.90

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Solution

The fourth proportional to 349,701.90, 524,552.85 and 343,869.90 is: 515,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,701.90 : 524,552.85 = 343,869.90 : x
  2. Step 2: Convert to fraction form
    349,701.90/524,552.85 = 343,869.90/x
  3. Step 3: Cross multiply
    349,701.90x = 524,552.85 × 343,869.90
  4. Step 4: Simplify right side
    349,701.90x = 180,377,936,074.22
  5. Step 5: Solve for x
    x = 180,377,936,074.22/349,701.90
  6. Step 6: Final answer
    x = 515,804.85

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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.