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Finding the Fourth Proportional to 453,820.70, 626,267.42 and 249,867.45

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Solution

The fourth proportional to 453,820.70, 626,267.42 and 249,867.45 is: 344,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,820.70 : 626,267.42 = 249,867.45 : x
  2. Step 2: Convert to fraction form
    453,820.70/626,267.42 = 249,867.45/x
  3. Step 3: Cross multiply
    453,820.70x = 626,267.42 × 249,867.45
  4. Step 4: Simplify right side
    453,820.70x = 156,483,842,004.14
  5. Step 5: Solve for x
    x = 156,483,842,004.14/453,820.70
  6. Step 6: Final answer
    x = 344,814.25

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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.