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Finding the Fourth Proportional to 293,490.34, 440,177.76 and 93,756.89

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Solution

The fourth proportional to 293,490.34, 440,177.76 and 93,756.89 is: 140,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,490.34 : 440,177.76 = 93,756.89 : x
  2. Step 2: Convert to fraction form
    293,490.34/440,177.76 = 93,756.89/x
  3. Step 3: Cross multiply
    293,490.34x = 440,177.76 × 93,756.89
  4. Step 4: Simplify right side
    293,490.34x = 41,269,698,925.21
  5. Step 5: Solve for x
    x = 41,269,698,925.21/293,490.34
  6. Step 6: Final answer
    x = 140,616.89

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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.