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Finding the Fourth Proportional to 553,627.44, 829,916.28 and 179,388

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Solution

The fourth proportional to 553,627.44, 829,916.28 and 179,388 is: 268,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,627.44 : 829,916.28 = 179,388 : x
  2. Step 2: Convert to fraction form
    553,627.44/829,916.28 = 179,388/x
  3. Step 3: Cross multiply
    553,627.44x = 829,916.28 × 179,388
  4. Step 4: Simplify right side
    553,627.44x = 148,877,021,636.64
  5. Step 5: Solve for x
    x = 148,877,021,636.64/553,627.44
  6. Step 6: Final answer
    x = 268,911.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.