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Finding the Fourth Proportional to 453,156, 625,371.32 and 249,222.67

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Solution

The fourth proportional to 453,156, 625,371.32 and 249,222.67 is: 343,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,156 : 625,371.32 = 249,222.67 : x
  2. Step 2: Convert to fraction form
    453,156/625,371.32 = 249,222.67/x
  3. Step 3: Cross multiply
    453,156x = 625,371.32 × 249,222.67
  4. Step 4: Simplify right side
    453,156x = 155,856,710,111.82
  5. Step 5: Solve for x
    x = 155,856,710,111.82/453,156
  6. Step 6: Final answer
    x = 343,936.11

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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.