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Finding the Fourth Proportional to 519,172.76, 716,323.02 and 304,197.32

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Solution

The fourth proportional to 519,172.76, 716,323.02 and 304,197.32 is: 419,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,172.76 : 716,323.02 = 304,197.32 : x
  2. Step 2: Convert to fraction form
    519,172.76/716,323.02 = 304,197.32/x
  3. Step 3: Cross multiply
    519,172.76x = 716,323.02 × 304,197.32
  4. Step 4: Simplify right side
    519,172.76x = 217,903,542,938.31
  5. Step 5: Solve for x
    x = 217,903,542,938.31/519,172.76
  6. Step 6: Final answer
    x = 419,712.97

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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.