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Finding the Fourth Proportional to 453,623.67, 626,009.22 and 249,673.16

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Solution

The fourth proportional to 453,623.67, 626,009.22 and 249,673.16 is: 344,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,623.67 : 626,009.22 = 249,673.16 : x
  2. Step 2: Convert to fraction form
    453,623.67/626,009.22 = 249,673.16/x
  3. Step 3: Cross multiply
    453,623.67x = 626,009.22 × 249,673.16
  4. Step 4: Simplify right side
    453,623.67x = 156,297,697,016.49
  5. Step 5: Solve for x
    x = 156,297,697,016.49/453,623.67
  6. Step 6: Final answer
    x = 344,553.66

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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.