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Finding the Fourth Proportional to 373,084.58, 514,841.70 and 203,315.06

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Solution

The fourth proportional to 373,084.58, 514,841.70 and 203,315.06 is: 280,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,084.58 : 514,841.70 = 203,315.06 : x
  2. Step 2: Convert to fraction form
    373,084.58/514,841.70 = 203,315.06/x
  3. Step 3: Cross multiply
    373,084.58x = 514,841.70 × 203,315.06
  4. Step 4: Simplify right side
    373,084.58x = 104,675,071,126.00
  5. Step 5: Solve for x
    x = 104,675,071,126.00/373,084.58
  6. Step 6: Final answer
    x = 280,566.60

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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.