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Finding the Fourth Proportional to 498,307.60, 746,570.40 and 303,205.60

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Solution

The fourth proportional to 498,307.60, 746,570.40 and 303,205.60 is: 454,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,307.60 : 746,570.40 = 303,205.60 : x
  2. Step 2: Convert to fraction form
    498,307.60/746,570.40 = 303,205.60/x
  3. Step 3: Cross multiply
    498,307.60x = 746,570.40 × 303,205.60
  4. Step 4: Simplify right side
    498,307.60x = 226,364,326,074.24
  5. Step 5: Solve for x
    x = 226,364,326,074.24/498,307.60
  6. Step 6: Final answer
    x = 454,266.25

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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.