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Finding the Fourth Proportional to 519,267.09, 716,316.15 and 451,130.97

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Solution

The fourth proportional to 519,267.09, 716,316.15 and 451,130.97 is: 622,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,267.09 : 716,316.15 = 451,130.97 : x
  2. Step 2: Convert to fraction form
    519,267.09/716,316.15 = 451,130.97/x
  3. Step 3: Cross multiply
    519,267.09x = 716,316.15 × 451,130.97
  4. Step 4: Simplify right side
    519,267.09x = 323,152,399,576.17
  5. Step 5: Solve for x
    x = 323,152,399,576.17/519,267.09
  6. Step 6: Final answer
    x = 622,324.05

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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.