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Finding the Fourth Proportional to 306,536.88, 459,384.48 and 156,461.04

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Solution

The fourth proportional to 306,536.88, 459,384.48 and 156,461.04 is: 234,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,536.88 : 459,384.48 = 156,461.04 : x
  2. Step 2: Convert to fraction form
    306,536.88/459,384.48 = 156,461.04/x
  3. Step 3: Cross multiply
    306,536.88x = 459,384.48 × 156,461.04
  4. Step 4: Simplify right side
    306,536.88x = 71,875,773,500.66
  5. Step 5: Solve for x
    x = 71,875,773,500.66/306,536.88
  6. Step 6: Final answer
    x = 234,476.76

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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.