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Finding the Fourth Proportional to 560,905.68, 841,020.06 and 261,453.36

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Solution

The fourth proportional to 560,905.68, 841,020.06 and 261,453.36 is: 392,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,905.68 : 841,020.06 = 261,453.36 : x
  2. Step 2: Convert to fraction form
    560,905.68/841,020.06 = 261,453.36/x
  3. Step 3: Cross multiply
    560,905.68x = 841,020.06 × 261,453.36
  4. Step 4: Simplify right side
    560,905.68x = 219,887,520,514.40
  5. Step 5: Solve for x
    x = 219,887,520,514.40/560,905.68
  6. Step 6: Final answer
    x = 392,022.27

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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.