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Finding the Fourth Proportional to 636,606.50, 954,707.16 and 210,062.82

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Solution

The fourth proportional to 636,606.50, 954,707.16 and 210,062.82 is: 315,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,606.50 : 954,707.16 = 210,062.82 : x
  2. Step 2: Convert to fraction form
    636,606.50/954,707.16 = 210,062.82/x
  3. Step 3: Cross multiply
    636,606.50x = 954,707.16 × 210,062.82
  4. Step 4: Simplify right side
    636,606.50x = 200,548,478,303.79
  5. Step 5: Solve for x
    x = 200,548,478,303.79/636,606.50
  6. Step 6: Final answer
    x = 315,027.38

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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.