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Finding the Fourth Proportional to 323,707.50, 446,711.22 and 180,476.28

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Solution

The fourth proportional to 323,707.50, 446,711.22 and 180,476.28 is: 249,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,707.50 : 446,711.22 = 180,476.28 : x
  2. Step 2: Convert to fraction form
    323,707.50/446,711.22 = 180,476.28/x
  3. Step 3: Cross multiply
    323,707.50x = 446,711.22 × 180,476.28
  4. Step 4: Simplify right side
    323,707.50x = 80,620,779,219.86
  5. Step 5: Solve for x
    x = 80,620,779,219.86/323,707.50
  6. Step 6: Final answer
    x = 249,054.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.