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Finding the Fourth Proportional to 310,683.33, 465,341.76 and 256,764.33

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Solution

The fourth proportional to 310,683.33, 465,341.76 and 256,764.33 is: 384,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,683.33 : 465,341.76 = 256,764.33 : x
  2. Step 2: Convert to fraction form
    310,683.33/465,341.76 = 256,764.33/x
  3. Step 3: Cross multiply
    310,683.33x = 465,341.76 × 256,764.33
  4. Step 4: Simplify right side
    310,683.33x = 119,483,165,227.42
  5. Step 5: Solve for x
    x = 119,483,165,227.42/310,683.33
  6. Step 6: Final answer
    x = 384,581.84

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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.