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Finding the Fourth Proportional to 373,078.26, 514,848.02 and 203,312.25

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Solution

The fourth proportional to 373,078.26, 514,848.02 and 203,312.25 is: 280,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,078.26 : 514,848.02 = 203,312.25 : x
  2. Step 2: Convert to fraction form
    373,078.26/514,848.02 = 203,312.25/x
  3. Step 3: Cross multiply
    373,078.26x = 514,848.02 × 203,312.25
  4. Step 4: Simplify right side
    373,078.26x = 104,674,908,337.68
  5. Step 5: Solve for x
    x = 104,674,908,337.68/373,078.26
  6. Step 6: Final answer
    x = 280,570.91

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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.