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Finding the Fourth Proportional to 536,308.04, 740,024.88 and 306,828.88

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Solution

The fourth proportional to 536,308.04, 740,024.88 and 306,828.88 is: 423,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,308.04 : 740,024.88 = 306,828.88 : x
  2. Step 2: Convert to fraction form
    536,308.04/740,024.88 = 306,828.88/x
  3. Step 3: Cross multiply
    536,308.04x = 740,024.88 × 306,828.88
  4. Step 4: Simplify right side
    536,308.04x = 227,061,001,402.41
  5. Step 5: Solve for x
    x = 227,061,001,402.41/536,308.04
  6. Step 6: Final answer
    x = 423,377.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.