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Finding the Fourth Proportional to 474,343.56, 654,606.36 and 259,492.68

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Solution

The fourth proportional to 474,343.56, 654,606.36 and 259,492.68 is: 358,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,343.56 : 654,606.36 = 259,492.68 : x
  2. Step 2: Convert to fraction form
    474,343.56/654,606.36 = 259,492.68/x
  3. Step 3: Cross multiply
    474,343.56x = 654,606.36 × 259,492.68
  4. Step 4: Simplify right side
    474,343.56x = 169,865,558,701.45
  5. Step 5: Solve for x
    x = 169,865,558,701.45/474,343.56
  6. Step 6: Final answer
    x = 358,106.60

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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.