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Finding the Fourth Proportional to 492,252.15, 738,323.55 and 403,350.60

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Solution

The fourth proportional to 492,252.15, 738,323.55 and 403,350.60 is: 604,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,252.15 : 738,323.55 = 403,350.60 : x
  2. Step 2: Convert to fraction form
    492,252.15/738,323.55 = 403,350.60/x
  3. Step 3: Cross multiply
    492,252.15x = 738,323.55 × 403,350.60
  4. Step 4: Simplify right side
    492,252.15x = 297,803,246,886.63
  5. Step 5: Solve for x
    x = 297,803,246,886.63/492,252.15
  6. Step 6: Final answer
    x = 604,981.10

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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.