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Finding the Fourth Proportional to 448,952.70, 619,567.78 and 245,016.74

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Solution

The fourth proportional to 448,952.70, 619,567.78 and 245,016.74 is: 338,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,952.70 : 619,567.78 = 245,016.74 : x
  2. Step 2: Convert to fraction form
    448,952.70/619,567.78 = 245,016.74/x
  3. Step 3: Cross multiply
    448,952.70x = 619,567.78 × 245,016.74
  4. Step 4: Simplify right side
    448,952.70x = 151,804,474,566.80
  5. Step 5: Solve for x
    x = 151,804,474,566.80/448,952.70
  6. Step 6: Final answer
    x = 338,130.22

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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.