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Finding the Fourth Proportional to 556,983.76, 835,491.84 and 136,259.50

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Solution

The fourth proportional to 556,983.76, 835,491.84 and 136,259.50 is: 204,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,983.76 : 835,491.84 = 136,259.50 : x
  2. Step 2: Convert to fraction form
    556,983.76/835,491.84 = 136,259.50/x
  3. Step 3: Cross multiply
    556,983.76x = 835,491.84 × 136,259.50
  4. Step 4: Simplify right side
    556,983.76x = 113,843,700,372.48
  5. Step 5: Solve for x
    x = 113,843,700,372.48/556,983.76
  6. Step 6: Final answer
    x = 204,393.21

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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.