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Finding the Fourth Proportional to 572,847, 790,529.28 and 314,740.59

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Solution

The fourth proportional to 572,847, 790,529.28 and 314,740.59 is: 434,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,847 : 790,529.28 = 314,740.59 : x
  2. Step 2: Convert to fraction form
    572,847/790,529.28 = 314,740.59/x
  3. Step 3: Cross multiply
    572,847x = 790,529.28 × 314,740.59
  4. Step 4: Simplify right side
    572,847x = 248,811,651,999.48
  5. Step 5: Solve for x
    x = 248,811,651,999.48/572,847
  6. Step 6: Final answer
    x = 434,342.24

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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.