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Finding the Fourth Proportional to 569,445, 785,765.88 and 314,761.56

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Solution

The fourth proportional to 569,445, 785,765.88 and 314,761.56 is: 434,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,445 : 785,765.88 = 314,761.56 : x
  2. Step 2: Convert to fraction form
    569,445/785,765.88 = 314,761.56/x
  3. Step 3: Cross multiply
    569,445x = 785,765.88 × 314,761.56
  4. Step 4: Simplify right side
    569,445x = 247,328,894,183.57
  5. Step 5: Solve for x
    x = 247,328,894,183.57/569,445
  6. Step 6: Final answer
    x = 434,333.24

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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.