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Finding the Fourth Proportional to 500,646.06, 751,015.13 and 163,688.49

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Solution

The fourth proportional to 500,646.06, 751,015.13 and 163,688.49 is: 245,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,646.06 : 751,015.13 = 163,688.49 : x
  2. Step 2: Convert to fraction form
    500,646.06/751,015.13 = 163,688.49/x
  3. Step 3: Cross multiply
    500,646.06x = 751,015.13 × 163,688.49
  4. Step 4: Simplify right side
    500,646.06x = 122,932,531,778.41
  5. Step 5: Solve for x
    x = 122,932,531,778.41/500,646.06
  6. Step 6: Final answer
    x = 245,547.79

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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.