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Finding the Fourth Proportional to 456,133.83, 629,444.93 and 249,398.43

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Solution

The fourth proportional to 456,133.83, 629,444.93 and 249,398.43 is: 344,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,133.83 : 629,444.93 = 249,398.43 : x
  2. Step 2: Convert to fraction form
    456,133.83/629,444.93 = 249,398.43/x
  3. Step 3: Cross multiply
    456,133.83x = 629,444.93 × 249,398.43
  4. Step 4: Simplify right side
    456,133.83x = 156,982,576,066.47
  5. Step 5: Solve for x
    x = 156,982,576,066.47/456,133.83
  6. Step 6: Final answer
    x = 344,159.03

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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.