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Finding the Fourth Proportional to 453,315.55, 625,572 and 249,362.09

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Solution

The fourth proportional to 453,315.55, 625,572 and 249,362.09 is: 344,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,315.55 : 625,572 = 249,362.09 : x
  2. Step 2: Convert to fraction form
    453,315.55/625,572 = 249,362.09/x
  3. Step 3: Cross multiply
    453,315.55x = 625,572 × 249,362.09
  4. Step 4: Simplify right side
    453,315.55x = 155,993,938,237.62
  5. Step 5: Solve for x
    x = 155,993,938,237.62/453,315.55
  6. Step 6: Final answer
    x = 344,117.78

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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.