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Finding the Fourth Proportional to 492,033.60, 738,050.40 and 339,818.40

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Solution

The fourth proportional to 492,033.60, 738,050.40 and 339,818.40 is: 509,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,033.60 : 738,050.40 = 339,818.40 : x
  2. Step 2: Convert to fraction form
    492,033.60/738,050.40 = 339,818.40/x
  3. Step 3: Cross multiply
    492,033.60x = 738,050.40 × 339,818.40
  4. Step 4: Simplify right side
    492,033.60x = 250,803,106,047.36
  5. Step 5: Solve for x
    x = 250,803,106,047.36/492,033.60
  6. Step 6: Final answer
    x = 509,727.60

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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.