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Finding the Fourth Proportional to 514,903.80, 772,574.40 and 248,527.20

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Solution

The fourth proportional to 514,903.80, 772,574.40 and 248,527.20 is: 372,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,903.80 : 772,574.40 = 248,527.20 : x
  2. Step 2: Convert to fraction form
    514,903.80/772,574.40 = 248,527.20/x
  3. Step 3: Cross multiply
    514,903.80x = 772,574.40 × 248,527.20
  4. Step 4: Simplify right side
    514,903.80x = 192,005,752,423.68
  5. Step 5: Solve for x
    x = 192,005,752,423.68/514,903.80
  6. Step 6: Final answer
    x = 372,896.36

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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.