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Finding the Fourth Proportional to 374,533.26, 516,855.90 and 240,630.54

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Solution

The fourth proportional to 374,533.26, 516,855.90 and 240,630.54 is: 332,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,533.26 : 516,855.90 = 240,630.54 : x
  2. Step 2: Convert to fraction form
    374,533.26/516,855.90 = 240,630.54/x
  3. Step 3: Cross multiply
    374,533.26x = 516,855.90 × 240,630.54
  4. Step 4: Simplify right side
    374,533.26x = 124,371,314,319.19
  5. Step 5: Solve for x
    x = 124,371,314,319.19/374,533.26
  6. Step 6: Final answer
    x = 332,070.15

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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.