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Finding the Fourth Proportional to 370,522.68, 555,795.36 and 256,558.92

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Solution

The fourth proportional to 370,522.68, 555,795.36 and 256,558.92 is: 384,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,522.68 : 555,795.36 = 256,558.92 : x
  2. Step 2: Convert to fraction form
    370,522.68/555,795.36 = 256,558.92/x
  3. Step 3: Cross multiply
    370,522.68x = 555,795.36 × 256,558.92
  4. Step 4: Simplify right side
    370,522.68x = 142,594,257,302.61
  5. Step 5: Solve for x
    x = 142,594,257,302.61/370,522.68
  6. Step 6: Final answer
    x = 384,846.23

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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.