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Finding the Fourth Proportional to 423,528.57, 584,478.86 and 232,542.72

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Solution

The fourth proportional to 423,528.57, 584,478.86 and 232,542.72 is: 320,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,528.57 : 584,478.86 = 232,542.72 : x
  2. Step 2: Convert to fraction form
    423,528.57/584,478.86 = 232,542.72/x
  3. Step 3: Cross multiply
    423,528.57x = 584,478.86 × 232,542.72
  4. Step 4: Simplify right side
    423,528.57x = 135,916,302,724.19
  5. Step 5: Solve for x
    x = 135,916,302,724.19/423,528.57
  6. Step 6: Final answer
    x = 320,914.13

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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.