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Finding the Fourth Proportional to 558,682.94, 770,999.96 and 316,975.70

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Solution

The fourth proportional to 558,682.94, 770,999.96 and 316,975.70 is: 437,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,682.94 : 770,999.96 = 316,975.70 : x
  2. Step 2: Convert to fraction form
    558,682.94/770,999.96 = 316,975.70/x
  3. Step 3: Cross multiply
    558,682.94x = 770,999.96 × 316,975.70
  4. Step 4: Simplify right side
    558,682.94x = 244,388,254,740.91
  5. Step 5: Solve for x
    x = 244,388,254,740.91/558,682.94
  6. Step 6: Final answer
    x = 437,436.40

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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.