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Finding the Fourth Proportional to 476,783.49, 715,096.62 and 156,939.52

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Solution

The fourth proportional to 476,783.49, 715,096.62 and 156,939.52 is: 235,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,783.49 : 715,096.62 = 156,939.52 : x
  2. Step 2: Convert to fraction form
    476,783.49/715,096.62 = 156,939.52/x
  3. Step 3: Cross multiply
    476,783.49x = 715,096.62 × 156,939.52
  4. Step 4: Simplify right side
    476,783.49x = 112,226,920,296.42
  5. Step 5: Solve for x
    x = 112,226,920,296.42/476,783.49
  6. Step 6: Final answer
    x = 235,383.40

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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.