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Finding the Fourth Proportional to 403,269.92, 604,482.88 and 150,448.68

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Solution

The fourth proportional to 403,269.92, 604,482.88 and 150,448.68 is: 225,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,269.92 : 604,482.88 = 150,448.68 : x
  2. Step 2: Convert to fraction form
    403,269.92/604,482.88 = 150,448.68/x
  3. Step 3: Cross multiply
    403,269.92x = 604,482.88 × 150,448.68
  4. Step 4: Simplify right side
    403,269.92x = 90,943,651,378.60
  5. Step 5: Solve for x
    x = 90,943,651,378.60/403,269.92
  6. Step 6: Final answer
    x = 225,515.58

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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.