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Finding the Fourth Proportional to 440,371.71, 659,554.88 and 262,511.21

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Solution

The fourth proportional to 440,371.71, 659,554.88 and 262,511.21 is: 393,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,371.71 : 659,554.88 = 262,511.21 : x
  2. Step 2: Convert to fraction form
    440,371.71/659,554.88 = 262,511.21/x
  3. Step 3: Cross multiply
    440,371.71x = 659,554.88 × 262,511.21
  4. Step 4: Simplify right side
    440,371.71x = 173,140,549,946.54
  5. Step 5: Solve for x
    x = 173,140,549,946.54/440,371.71
  6. Step 6: Final answer
    x = 393,169.10

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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.