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Finding the Fourth Proportional to 424,995.54, 634,383.96 and 374,551.74

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Solution

The fourth proportional to 424,995.54, 634,383.96 and 374,551.74 is: 559,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,995.54 : 634,383.96 = 374,551.74 : x
  2. Step 2: Convert to fraction form
    424,995.54/634,383.96 = 374,551.74/x
  3. Step 3: Cross multiply
    424,995.54x = 634,383.96 × 374,551.74
  4. Step 4: Simplify right side
    424,995.54x = 237,609,616,046.09
  5. Step 5: Solve for x
    x = 237,609,616,046.09/424,995.54
  6. Step 6: Final answer
    x = 559,087.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.