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Finding the Fourth Proportional to 616,252.57, 850,350.40 and 361,510.81

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Solution

The fourth proportional to 616,252.57, 850,350.40 and 361,510.81 is: 498,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,252.57 : 850,350.40 = 361,510.81 : x
  2. Step 2: Convert to fraction form
    616,252.57/850,350.40 = 361,510.81/x
  3. Step 3: Cross multiply
    616,252.57x = 850,350.40 × 361,510.81
  4. Step 4: Simplify right side
    616,252.57x = 307,410,861,887.82
  5. Step 5: Solve for x
    x = 307,410,861,887.82/616,252.57
  6. Step 6: Final answer
    x = 498,839.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.