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Finding the Fourth Proportional to 959,966, 1,440,182.28 and 295,118

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Solution

The fourth proportional to 959,966, 1,440,182.28 and 295,118 is: 442,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,966 : 1,440,182.28 = 295,118 : x
  2. Step 2: Convert to fraction form
    959,966/1,440,182.28 = 295,118/x
  3. Step 3: Cross multiply
    959,966x = 1,440,182.28 × 295,118
  4. Step 4: Simplify right side
    959,966x = 425,023,714,109.04
  5. Step 5: Solve for x
    x = 425,023,714,109.04/959,966
  6. Step 6: Final answer
    x = 442,748.72

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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.