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Finding the Fourth Proportional to 277,457.40, 416,186.10 and 247,908.60

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Solution

The fourth proportional to 277,457.40, 416,186.10 and 247,908.60 is: 371,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,457.40 : 416,186.10 = 247,908.60 : x
  2. Step 2: Convert to fraction form
    277,457.40/416,186.10 = 247,908.60/x
  3. Step 3: Cross multiply
    277,457.40x = 416,186.10 × 247,908.60
  4. Step 4: Simplify right side
    277,457.40x = 103,176,113,390.46
  5. Step 5: Solve for x
    x = 103,176,113,390.46/277,457.40
  6. Step 6: Final answer
    x = 371,862.90

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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.