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Finding the Fourth Proportional to 566,708.75, 782,058.08 and 312,059.33

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Solution

The fourth proportional to 566,708.75, 782,058.08 and 312,059.33 is: 430,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,708.75 : 782,058.08 = 312,059.33 : x
  2. Step 2: Convert to fraction form
    566,708.75/782,058.08 = 312,059.33/x
  3. Step 3: Cross multiply
    566,708.75x = 782,058.08 × 312,059.33
  4. Step 4: Simplify right side
    566,708.75x = 244,048,520,465.89
  5. Step 5: Solve for x
    x = 244,048,520,465.89/566,708.75
  6. Step 6: Final answer
    x = 430,641.88

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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.