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Finding the Fourth Proportional to 448,370.48, 618,794.76 and 334,996.40

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Solution

The fourth proportional to 448,370.48, 618,794.76 and 334,996.40 is: 462,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,370.48 : 618,794.76 = 334,996.40 : x
  2. Step 2: Convert to fraction form
    448,370.48/618,794.76 = 334,996.40/x
  3. Step 3: Cross multiply
    448,370.48x = 618,794.76 × 334,996.40
  4. Step 4: Simplify right side
    448,370.48x = 207,294,016,938.86
  5. Step 5: Solve for x
    x = 207,294,016,938.86/448,370.48
  6. Step 6: Final answer
    x = 462,327.53

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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.