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Finding the Fourth Proportional to 453,835.32, 626,287.56 and 249,881.96

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Solution

The fourth proportional to 453,835.32, 626,287.56 and 249,881.96 is: 344,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,835.32 : 626,287.56 = 249,881.96 : x
  2. Step 2: Convert to fraction form
    453,835.32/626,287.56 = 249,881.96/x
  3. Step 3: Cross multiply
    453,835.32x = 626,287.56 × 249,881.96
  4. Step 4: Simplify right side
    453,835.32x = 156,497,963,016.42
  5. Step 5: Solve for x
    x = 156,497,963,016.42/453,835.32
  6. Step 6: Final answer
    x = 344,834.25

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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.