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Finding the Fourth Proportional to 464,030.32, 696,059.88 and 220,818.12

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Solution

The fourth proportional to 464,030.32, 696,059.88 and 220,818.12 is: 331,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,030.32 : 696,059.88 = 220,818.12 : x
  2. Step 2: Convert to fraction form
    464,030.32/696,059.88 = 220,818.12/x
  3. Step 3: Cross multiply
    464,030.32x = 696,059.88 × 220,818.12
  4. Step 4: Simplify right side
    464,030.32x = 153,702,634,109.03
  5. Step 5: Solve for x
    x = 153,702,634,109.03/464,030.32
  6. Step 6: Final answer
    x = 331,234.03

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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.