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Finding the Fourth Proportional to 498,416.60, 747,114.60 and 245,307.80

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Solution

The fourth proportional to 498,416.60, 747,114.60 and 245,307.80 is: 367,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,416.60 : 747,114.60 = 245,307.80 : x
  2. Step 2: Convert to fraction form
    498,416.60/747,114.60 = 245,307.80/x
  3. Step 3: Cross multiply
    498,416.60x = 747,114.60 × 245,307.80
  4. Step 4: Simplify right side
    498,416.60x = 183,273,038,873.88
  5. Step 5: Solve for x
    x = 183,273,038,873.88/498,416.60
  6. Step 6: Final answer
    x = 367,710.54

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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.