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Finding the Fourth Proportional to 446,644.13, 616,368.90 and 245,440.13

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Solution

The fourth proportional to 446,644.13, 616,368.90 and 245,440.13 is: 338,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,644.13 : 616,368.90 = 245,440.13 : x
  2. Step 2: Convert to fraction form
    446,644.13/616,368.90 = 245,440.13/x
  3. Step 3: Cross multiply
    446,644.13x = 616,368.90 × 245,440.13
  4. Step 4: Simplify right side
    446,644.13x = 151,281,659,862.11
  5. Step 5: Solve for x
    x = 151,281,659,862.11/446,644.13
  6. Step 6: Final answer
    x = 338,707.38

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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.