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Finding the Fourth Proportional to 293,405.68, 439,537.47 and 216,328.29

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Solution

The fourth proportional to 293,405.68, 439,537.47 and 216,328.29 is: 324,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,405.68 : 439,537.47 = 216,328.29 : x
  2. Step 2: Convert to fraction form
    293,405.68/439,537.47 = 216,328.29/x
  3. Step 3: Cross multiply
    293,405.68x = 439,537.47 × 216,328.29
  4. Step 4: Simplify right side
    293,405.68x = 95,084,389,276.03
  5. Step 5: Solve for x
    x = 95,084,389,276.03/293,405.68
  6. Step 6: Final answer
    x = 324,071.40

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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.