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Finding the Fourth Proportional to 445,172.92, 614,368.76 and 251,513.46

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Solution

The fourth proportional to 445,172.92, 614,368.76 and 251,513.46 is: 347,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,172.92 : 614,368.76 = 251,513.46 : x
  2. Step 2: Convert to fraction form
    445,172.92/614,368.76 = 251,513.46/x
  3. Step 3: Cross multiply
    445,172.92x = 614,368.76 × 251,513.46
  4. Step 4: Simplify right side
    445,172.92x = 154,522,012,543.51
  5. Step 5: Solve for x
    x = 154,522,012,543.51/445,172.92
  6. Step 6: Final answer
    x = 347,105.60

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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.