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Finding the Fourth Proportional to 507,368.28, 700,638.86 and 379,822.44

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Solution

The fourth proportional to 507,368.28, 700,638.86 and 379,822.44 is: 524,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,368.28 : 700,638.86 = 379,822.44 : x
  2. Step 2: Convert to fraction form
    507,368.28/700,638.86 = 379,822.44/x
  3. Step 3: Cross multiply
    507,368.28x = 700,638.86 × 379,822.44
  4. Step 4: Simplify right side
    507,368.28x = 266,118,361,364.02
  5. Step 5: Solve for x
    x = 266,118,361,364.02/507,368.28
  6. Step 6: Final answer
    x = 524,507.29

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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.