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Finding the Fourth Proportional to 515,098.44, 710,833.32 and 324,362.88

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Solution

The fourth proportional to 515,098.44, 710,833.32 and 324,362.88 is: 447,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,098.44 : 710,833.32 = 324,362.88 : x
  2. Step 2: Convert to fraction form
    515,098.44/710,833.32 = 324,362.88/x
  3. Step 3: Cross multiply
    515,098.44x = 710,833.32 × 324,362.88
  4. Step 4: Simplify right side
    515,098.44x = 230,567,942,875.16
  5. Step 5: Solve for x
    x = 230,567,942,875.16/515,098.44
  6. Step 6: Final answer
    x = 447,619.18

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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.