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Finding the Fourth Proportional to 453,389.76, 625,667.76 and 262,399.32

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Solution

The fourth proportional to 453,389.76, 625,667.76 and 262,399.32 is: 362,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,389.76 : 625,667.76 = 262,399.32 : x
  2. Step 2: Convert to fraction form
    453,389.76/625,667.76 = 262,399.32/x
  3. Step 3: Cross multiply
    453,389.76x = 625,667.76 × 262,399.32
  4. Step 4: Simplify right side
    453,389.76x = 164,174,794,769.92
  5. Step 5: Solve for x
    x = 164,174,794,769.92/453,389.76
  6. Step 6: Final answer
    x = 362,105.21

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1.5x scale

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.