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Finding the Fourth Proportional to 514,150.07, 771,216.84 and 140,173.07

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Solution

The fourth proportional to 514,150.07, 771,216.84 and 140,173.07 is: 210,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,150.07 : 771,216.84 = 140,173.07 : x
  2. Step 2: Convert to fraction form
    514,150.07/771,216.84 = 140,173.07/x
  3. Step 3: Cross multiply
    514,150.07x = 771,216.84 × 140,173.07
  4. Step 4: Simplify right side
    514,150.07x = 108,103,828,242.42
  5. Step 5: Solve for x
    x = 108,103,828,242.42/514,150.07
  6. Step 6: Final answer
    x = 210,257.35

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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.