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Finding the Fourth Proportional to 469,435.30, 702,986.55 and 376,123.30

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Solution

The fourth proportional to 469,435.30, 702,986.55 and 376,123.30 is: 563,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,435.30 : 702,986.55 = 376,123.30 : x
  2. Step 2: Convert to fraction form
    469,435.30/702,986.55 = 376,123.30/x
  3. Step 3: Cross multiply
    469,435.30x = 702,986.55 × 376,123.30
  4. Step 4: Simplify right side
    469,435.30x = 264,409,621,041.62
  5. Step 5: Solve for x
    x = 264,409,621,041.62/469,435.30
  6. Step 6: Final answer
    x = 563,250.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.