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Finding the Fourth Proportional to 293,007.80, 439,511.70 and 174,909.80

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Solution

The fourth proportional to 293,007.80, 439,511.70 and 174,909.80 is: 262,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,007.80 : 439,511.70 = 174,909.80 : x
  2. Step 2: Convert to fraction form
    293,007.80/439,511.70 = 174,909.80/x
  3. Step 3: Cross multiply
    293,007.80x = 439,511.70 × 174,909.80
  4. Step 4: Simplify right side
    293,007.80x = 76,874,903,544.66
  5. Step 5: Solve for x
    x = 76,874,903,544.66/293,007.80
  6. Step 6: Final answer
    x = 262,364.70

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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.