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Finding the Fourth Proportional to 424,675.50, 586,076.44 and 243,417.63

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Solution

The fourth proportional to 424,675.50, 586,076.44 and 243,417.63 is: 335,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,675.50 : 586,076.44 = 243,417.63 : x
  2. Step 2: Convert to fraction form
    424,675.50/586,076.44 = 243,417.63/x
  3. Step 3: Cross multiply
    424,675.50x = 586,076.44 × 243,417.63
  4. Step 4: Simplify right side
    424,675.50x = 142,661,338,023.64
  5. Step 5: Solve for x
    x = 142,661,338,023.64/424,675.50
  6. Step 6: Final answer
    x = 335,930.23

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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.