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Finding the Fourth Proportional to 442,701.45, 610,914.56 and 249,119.96

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Solution

The fourth proportional to 442,701.45, 610,914.56 and 249,119.96 is: 343,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,701.45 : 610,914.56 = 249,119.96 : x
  2. Step 2: Convert to fraction form
    442,701.45/610,914.56 = 249,119.96/x
  3. Step 3: Cross multiply
    442,701.45x = 610,914.56 × 249,119.96
  4. Step 4: Simplify right side
    442,701.45x = 152,191,006,450.45
  5. Step 5: Solve for x
    x = 152,191,006,450.45/442,701.45
  6. Step 6: Final answer
    x = 343,777.97

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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.