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Finding the Fourth Proportional to 569,707.92, 786,144.15 and 315,053.64

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Solution

The fourth proportional to 569,707.92, 786,144.15 and 315,053.64 is: 434,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,707.92 : 786,144.15 = 315,053.64 : x
  2. Step 2: Convert to fraction form
    569,707.92/786,144.15 = 315,053.64/x
  3. Step 3: Cross multiply
    569,707.92x = 786,144.15 × 315,053.64
  4. Step 4: Simplify right side
    569,707.92x = 247,677,576,022.21
  5. Step 5: Solve for x
    x = 247,677,576,022.21/569,707.92
  6. Step 6: Final answer
    x = 434,744.84

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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.