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Finding the Fourth Proportional to 334,079.98, 500,881.95 and 156,490.11

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Solution

The fourth proportional to 334,079.98, 500,881.95 and 156,490.11 is: 234,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,079.98 : 500,881.95 = 156,490.11 : x
  2. Step 2: Convert to fraction form
    334,079.98/500,881.95 = 156,490.11/x
  3. Step 3: Cross multiply
    334,079.98x = 500,881.95 × 156,490.11
  4. Step 4: Simplify right side
    334,079.98x = 78,383,071,452.51
  5. Step 5: Solve for x
    x = 78,383,071,452.51/334,079.98
  6. Step 6: Final answer
    x = 234,623.67

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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.