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Finding the Fourth Proportional to 349,379.80, 524,069.70 and 310,672.60

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Solution

The fourth proportional to 349,379.80, 524,069.70 and 310,672.60 is: 466,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,379.80 : 524,069.70 = 310,672.60 : x
  2. Step 2: Convert to fraction form
    349,379.80/524,069.70 = 310,672.60/x
  3. Step 3: Cross multiply
    349,379.80x = 524,069.70 × 310,672.60
  4. Step 4: Simplify right side
    349,379.80x = 162,814,096,280.22
  5. Step 5: Solve for x
    x = 162,814,096,280.22/349,379.80
  6. Step 6: Final answer
    x = 466,008.90

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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.