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Finding the Fourth Proportional to 295,899.50, 443,852.48 and 85,539.26

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Solution

The fourth proportional to 295,899.50, 443,852.48 and 85,539.26 is: 128,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,899.50 : 443,852.48 = 85,539.26 : x
  2. Step 2: Convert to fraction form
    295,899.50/443,852.48 = 85,539.26/x
  3. Step 3: Cross multiply
    295,899.50x = 443,852.48 × 85,539.26
  4. Step 4: Simplify right side
    295,899.50x = 37,966,812,688.36
  5. Step 5: Solve for x
    x = 37,966,812,688.36/295,899.50
  6. Step 6: Final answer
    x = 128,309.82

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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.