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Finding the Fourth Proportional to 423,000.04, 583,738.50 and 261,823

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Solution

The fourth proportional to 423,000.04, 583,738.50 and 261,823 is: 361,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,000.04 : 583,738.50 = 261,823 : x
  2. Step 2: Convert to fraction form
    423,000.04/583,738.50 = 261,823/x
  3. Step 3: Cross multiply
    423,000.04x = 583,738.50 × 261,823
  4. Step 4: Simplify right side
    423,000.04x = 152,836,165,285.50
  5. Step 5: Solve for x
    x = 152,836,165,285.50/423,000.04
  6. Step 6: Final answer
    x = 361,314.78

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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.