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Finding the Fourth Proportional to 440,358.32, 607,731.96 and 249,405.68

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Solution

The fourth proportional to 440,358.32, 607,731.96 and 249,405.68 is: 344,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,358.32 : 607,731.96 = 249,405.68 : x
  2. Step 2: Convert to fraction form
    440,358.32/607,731.96 = 249,405.68/x
  3. Step 3: Cross multiply
    440,358.32x = 607,731.96 × 249,405.68
  4. Step 4: Simplify right side
    440,358.32x = 151,571,802,741.53
  5. Step 5: Solve for x
    x = 151,571,802,741.53/440,358.32
  6. Step 6: Final answer
    x = 344,201.07

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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.