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Finding the Fourth Proportional to 453,191.56, 679,786.12 and 168,875.64

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Solution

The fourth proportional to 453,191.56, 679,786.12 and 168,875.64 is: 253,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,191.56 : 679,786.12 = 168,875.64 : x
  2. Step 2: Convert to fraction form
    453,191.56/679,786.12 = 168,875.64/x
  3. Step 3: Cross multiply
    453,191.56x = 679,786.12 × 168,875.64
  4. Step 4: Simplify right side
    453,191.56x = 114,799,311,834.81
  5. Step 5: Solve for x
    x = 114,799,311,834.81/453,191.56
  6. Step 6: Final answer
    x = 253,313.00

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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.