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Finding the Fourth Proportional to 268,448.53, 370,461.45 and 147,590.66

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Solution

The fourth proportional to 268,448.53, 370,461.45 and 147,590.66 is: 203,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,448.53 : 370,461.45 = 147,590.66 : x
  2. Step 2: Convert to fraction form
    268,448.53/370,461.45 = 147,590.66/x
  3. Step 3: Cross multiply
    268,448.53x = 370,461.45 × 147,590.66
  4. Step 4: Simplify right side
    268,448.53x = 54,676,648,475.63
  5. Step 5: Solve for x
    x = 54,676,648,475.63/268,448.53
  6. Step 6: Final answer
    x = 203,676.47

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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.