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Finding the Fourth Proportional to 423,554.46, 584,511.99 and 232,585.50

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Solution

The fourth proportional to 423,554.46, 584,511.99 and 232,585.50 is: 320,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,554.46 : 584,511.99 = 232,585.50 : x
  2. Step 2: Convert to fraction form
    423,554.46/584,511.99 = 232,585.50/x
  3. Step 3: Cross multiply
    423,554.46x = 584,511.99 × 232,585.50
  4. Step 4: Simplify right side
    423,554.46x = 135,949,013,450.15
  5. Step 5: Solve for x
    x = 135,949,013,450.15/423,554.46
  6. Step 6: Final answer
    x = 320,971.74

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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.