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Finding the Fourth Proportional to 492,322.40, 736,928.40 and 476,770.40

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Solution

The fourth proportional to 492,322.40, 736,928.40 and 476,770.40 is: 713,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,322.40 : 736,928.40 = 476,770.40 : x
  2. Step 2: Convert to fraction form
    492,322.40/736,928.40 = 476,770.40/x
  3. Step 3: Cross multiply
    492,322.40x = 736,928.40 × 476,770.40
  4. Step 4: Simplify right side
    492,322.40x = 351,345,648,039.36
  5. Step 5: Solve for x
    x = 351,345,648,039.36/492,322.40
  6. Step 6: Final answer
    x = 713,649.53

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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.