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Finding the Fourth Proportional to 611,586.92, 844,896.42 and 402,527.83

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Solution

The fourth proportional to 611,586.92, 844,896.42 and 402,527.83 is: 556,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,586.92 : 844,896.42 = 402,527.83 : x
  2. Step 2: Convert to fraction form
    611,586.92/844,896.42 = 402,527.83/x
  3. Step 3: Cross multiply
    611,586.92x = 844,896.42 × 402,527.83
  4. Step 4: Simplify right side
    611,586.92x = 340,094,321,989.31
  5. Step 5: Solve for x
    x = 340,094,321,989.31/611,586.92
  6. Step 6: Final answer
    x = 556,085.02

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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.