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Finding the Fourth Proportional to 716,393.77, 987,944.85 and 458,352.37

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Solution

The fourth proportional to 716,393.77, 987,944.85 and 458,352.37 is: 632,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,393.77 : 987,944.85 = 458,352.37 : x
  2. Step 2: Convert to fraction form
    716,393.77/987,944.85 = 458,352.37/x
  3. Step 3: Cross multiply
    716,393.77x = 987,944.85 × 458,352.37
  4. Step 4: Simplify right side
    716,393.77x = 452,826,864,661.73
  5. Step 5: Solve for x
    x = 452,826,864,661.73/716,393.77
  6. Step 6: Final answer
    x = 632,092.13

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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.