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Finding the Fourth Proportional to 405,077.00, 606,860.96 and 253,321.07

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Solution

The fourth proportional to 405,077.00, 606,860.96 and 253,321.07 is: 379,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,077.00 : 606,860.96 = 253,321.07 : x
  2. Step 2: Convert to fraction form
    405,077.00/606,860.96 = 253,321.07/x
  3. Step 3: Cross multiply
    405,077.00x = 606,860.96 × 253,321.07
  4. Step 4: Simplify right side
    405,077.00x = 153,730,663,427.52
  5. Step 5: Solve for x
    x = 153,730,663,427.52/405,077.00
  6. Step 6: Final answer
    x = 379,509.74

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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.