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Finding the Fourth Proportional to 553,601.80, 829,236.30 and 460,289.80

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Solution

The fourth proportional to 553,601.80, 829,236.30 and 460,289.80 is: 689,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,601.80 : 829,236.30 = 460,289.80 : x
  2. Step 2: Convert to fraction form
    553,601.80/829,236.30 = 460,289.80/x
  3. Step 3: Cross multiply
    553,601.80x = 829,236.30 × 460,289.80
  4. Step 4: Simplify right side
    553,601.80x = 381,689,010,679.74
  5. Step 5: Solve for x
    x = 381,689,010,679.74/553,601.80
  6. Step 6: Final answer
    x = 689,464.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.