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Finding the Fourth Proportional to 452,685.95, 624,703.51 and 248,739.02

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Solution

The fourth proportional to 452,685.95, 624,703.51 and 248,739.02 is: 343,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,685.95 : 624,703.51 = 248,739.02 : x
  2. Step 2: Convert to fraction form
    452,685.95/624,703.51 = 248,739.02/x
  3. Step 3: Cross multiply
    452,685.95x = 624,703.51 × 248,739.02
  4. Step 4: Simplify right side
    452,685.95x = 155,388,138,867.96
  5. Step 5: Solve for x
    x = 155,388,138,867.96/452,685.95
  6. Step 6: Final answer
    x = 343,258.14

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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.