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Finding the Fourth Proportional to 519,193.71, 716,426.30 and 301,352.11

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Solution

The fourth proportional to 519,193.71, 716,426.30 and 301,352.11 is: 415,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,193.71 : 716,426.30 = 301,352.11 : x
  2. Step 2: Convert to fraction form
    519,193.71/716,426.30 = 301,352.11/x
  3. Step 3: Cross multiply
    519,193.71x = 716,426.30 × 301,352.11
  4. Step 4: Simplify right side
    519,193.71x = 215,896,576,126.81
  5. Step 5: Solve for x
    x = 215,896,576,126.81/519,193.71
  6. Step 6: Final answer
    x = 415,830.49

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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.