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Finding the Fourth Proportional to 356,925.34, 492,548.08 and 203,953.80

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Solution

The fourth proportional to 356,925.34, 492,548.08 and 203,953.80 is: 281,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,925.34 : 492,548.08 = 203,953.80 : x
  2. Step 2: Convert to fraction form
    356,925.34/492,548.08 = 203,953.80/x
  3. Step 3: Cross multiply
    356,925.34x = 492,548.08 × 203,953.80
  4. Step 4: Simplify right side
    356,925.34x = 100,457,052,598.70
  5. Step 5: Solve for x
    x = 100,457,052,598.70/356,925.34
  6. Step 6: Final answer
    x = 281,451.16

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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.