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Finding the Fourth Proportional to 624,792.74, 937,192.19 and 151,478.10

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Solution

The fourth proportional to 624,792.74, 937,192.19 and 151,478.10 is: 227,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,792.74 : 937,192.19 = 151,478.10 : x
  2. Step 2: Convert to fraction form
    624,792.74/937,192.19 = 151,478.10/x
  3. Step 3: Cross multiply
    624,792.74x = 937,192.19 × 151,478.10
  4. Step 4: Simplify right side
    624,792.74x = 141,964,091,518.65
  5. Step 5: Solve for x
    x = 141,964,091,518.65/624,792.74
  6. Step 6: Final answer
    x = 227,217.90

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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.