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Finding the Fourth Proportional to 558,632.94, 770,779.05 and 329,199.63

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Solution

The fourth proportional to 558,632.94, 770,779.05 and 329,199.63 is: 454,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,632.94 : 770,779.05 = 329,199.63 : x
  2. Step 2: Convert to fraction form
    558,632.94/770,779.05 = 329,199.63/x
  3. Step 3: Cross multiply
    558,632.94x = 770,779.05 × 329,199.63
  4. Step 4: Simplify right side
    558,632.94x = 253,740,178,071.75
  5. Step 5: Solve for x
    x = 253,740,178,071.75/558,632.94
  6. Step 6: Final answer
    x = 454,216.28

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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.