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Finding the Fourth Proportional to 405,000.48, 607,613.37 and 177,255.48

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Solution

The fourth proportional to 405,000.48, 607,613.37 and 177,255.48 is: 265,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,000.48 : 607,613.37 = 177,255.48 : x
  2. Step 2: Convert to fraction form
    405,000.48/607,613.37 = 177,255.48/x
  3. Step 3: Cross multiply
    405,000.48x = 607,613.37 × 177,255.48
  4. Step 4: Simplify right side
    405,000.48x = 107,702,799,553.77
  5. Step 5: Solve for x
    x = 107,702,799,553.77/405,000.48
  6. Step 6: Final answer
    x = 265,932.52

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1.5x scale

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.