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Finding the Fourth Proportional to 342,575.61, 514,040.61 and 248,580.75

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Solution

The fourth proportional to 342,575.61, 514,040.61 and 248,580.75 is: 372,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,575.61 : 514,040.61 = 248,580.75 : x
  2. Step 2: Convert to fraction form
    342,575.61/514,040.61 = 248,580.75/x
  3. Step 3: Cross multiply
    342,575.61x = 514,040.61 × 248,580.75
  4. Step 4: Simplify right side
    342,575.61x = 127,780,600,364.26
  5. Step 5: Solve for x
    x = 127,780,600,364.26/342,575.61
  6. Step 6: Final answer
    x = 372,999.70

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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.