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Finding the Fourth Proportional to 506,472.12, 759,427.74 and 207,162.90

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Solution

The fourth proportional to 506,472.12, 759,427.74 and 207,162.90 is: 310,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,472.12 : 759,427.74 = 207,162.90 : x
  2. Step 2: Convert to fraction form
    506,472.12/759,427.74 = 207,162.90/x
  3. Step 3: Cross multiply
    506,472.12x = 759,427.74 × 207,162.90
  4. Step 4: Simplify right side
    506,472.12x = 157,325,252,958.85
  5. Step 5: Solve for x
    x = 157,325,252,958.85/506,472.12
  6. Step 6: Final answer
    x = 310,629.64

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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.