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Finding the Fourth Proportional to 480,474.48, 663,041.88 and 262,674.48

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Solution

The fourth proportional to 480,474.48, 663,041.88 and 262,674.48 is: 362,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,474.48 : 663,041.88 = 262,674.48 : x
  2. Step 2: Convert to fraction form
    480,474.48/663,041.88 = 262,674.48/x
  3. Step 3: Cross multiply
    480,474.48x = 663,041.88 × 262,674.48
  4. Step 4: Simplify right side
    480,474.48x = 174,164,181,047.22
  5. Step 5: Solve for x
    x = 174,164,181,047.22/480,474.48
  6. Step 6: Final answer
    x = 362,483.73

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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.