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Finding the Fourth Proportional to 432,966, 648,878.76 and 183,339.12

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Solution

The fourth proportional to 432,966, 648,878.76 and 183,339.12 is: 274,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,966 : 648,878.76 = 183,339.12 : x
  2. Step 2: Convert to fraction form
    432,966/648,878.76 = 183,339.12/x
  3. Step 3: Cross multiply
    432,966x = 648,878.76 × 183,339.12
  4. Step 4: Simplify right side
    432,966x = 118,964,860,845.09
  5. Step 5: Solve for x
    x = 118,964,860,845.09/432,966
  6. Step 6: Final answer
    x = 274,767.21

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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.