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Finding the Fourth Proportional to 453,156.84, 625,362.12 and 249,230.16

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Solution

The fourth proportional to 453,156.84, 625,362.12 and 249,230.16 is: 343,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,156.84 : 625,362.12 = 249,230.16 : x
  2. Step 2: Convert to fraction form
    453,156.84/625,362.12 = 249,230.16/x
  3. Step 3: Cross multiply
    453,156.84x = 625,362.12 × 249,230.16
  4. Step 4: Simplify right side
    453,156.84x = 155,859,101,225.54
  5. Step 5: Solve for x
    x = 155,859,101,225.54/453,156.84
  6. Step 6: Final answer
    x = 343,940.75

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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.