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Finding the Fourth Proportional to 519,015.06, 716,240.88 and 292,660.56

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Solution

The fourth proportional to 519,015.06, 716,240.88 and 292,660.56 is: 403,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,015.06 : 716,240.88 = 292,660.56 : x
  2. Step 2: Convert to fraction form
    519,015.06/716,240.88 = 292,660.56/x
  3. Step 3: Cross multiply
    519,015.06x = 716,240.88 × 292,660.56
  4. Step 4: Simplify right side
    519,015.06x = 209,615,457,035.69
  5. Step 5: Solve for x
    x = 209,615,457,035.69/519,015.06
  6. Step 6: Final answer
    x = 403,871.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.