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Finding the Fourth Proportional to 453,172.86, 625,365.09 and 249,223.50

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Solution

The fourth proportional to 453,172.86, 625,365.09 and 249,223.50 is: 343,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,172.86 : 625,365.09 = 249,223.50 : x
  2. Step 2: Convert to fraction form
    453,172.86/625,365.09 = 249,223.50/x
  3. Step 3: Cross multiply
    453,172.86x = 625,365.09 × 249,223.50
  4. Step 4: Simplify right side
    453,172.86x = 155,855,676,507.62
  5. Step 5: Solve for x
    x = 155,855,676,507.62/453,172.86
  6. Step 6: Final answer
    x = 343,921.03

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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.