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Finding the Fourth Proportional to 423,554.89, 584,505.74 and 232,568.28

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Solution

The fourth proportional to 423,554.89, 584,505.74 and 232,568.28 is: 320,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,554.89 : 584,505.74 = 232,568.28 : x
  2. Step 2: Convert to fraction form
    423,554.89/584,505.74 = 232,568.28/x
  3. Step 3: Cross multiply
    423,554.89x = 584,505.74 × 232,568.28
  4. Step 4: Simplify right side
    423,554.89x = 135,937,494,601.93
  5. Step 5: Solve for x
    x = 135,937,494,601.93/423,554.89
  6. Step 6: Final answer
    x = 320,944.22

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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.