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Finding the Fourth Proportional to 602,729.82, 903,990.63 and 170,477.46

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Solution

The fourth proportional to 602,729.82, 903,990.63 and 170,477.46 is: 255,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,729.82 : 903,990.63 = 170,477.46 : x
  2. Step 2: Convert to fraction form
    602,729.82/903,990.63 = 170,477.46/x
  3. Step 3: Cross multiply
    602,729.82x = 903,990.63 × 170,477.46
  4. Step 4: Simplify right side
    602,729.82x = 154,110,026,466.20
  5. Step 5: Solve for x
    x = 154,110,026,466.20/602,729.82
  6. Step 6: Final answer
    x = 255,686.75

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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.