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Finding the Fourth Proportional to 491,568.40, 736,920.60 and 333,283.60

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Solution

The fourth proportional to 491,568.40, 736,920.60 and 333,283.60 is: 499,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,568.40 : 736,920.60 = 333,283.60 : x
  2. Step 2: Convert to fraction form
    491,568.40/736,920.60 = 333,283.60/x
  3. Step 3: Cross multiply
    491,568.40x = 736,920.60 × 333,283.60
  4. Step 4: Simplify right side
    491,568.40x = 245,603,550,482.16
  5. Step 5: Solve for x
    x = 245,603,550,482.16/491,568.40
  6. Step 6: Final answer
    x = 499,632.50

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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.