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Finding the Fourth Proportional to 608,465.60, 910,948.80 and 372,269.60

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Solution

The fourth proportional to 608,465.60, 910,948.80 and 372,269.60 is: 557,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,465.60 : 910,948.80 = 372,269.60 : x
  2. Step 2: Convert to fraction form
    608,465.60/910,948.80 = 372,269.60/x
  3. Step 3: Cross multiply
    608,465.60x = 910,948.80 × 372,269.60
  4. Step 4: Simplify right side
    608,465.60x = 339,118,545,396.48
  5. Step 5: Solve for x
    x = 339,118,545,396.48/608,465.60
  6. Step 6: Final answer
    x = 557,333.96

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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.