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Finding the Fourth Proportional to 577,765.32, 797,313.42 and 323,117.52

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Solution

The fourth proportional to 577,765.32, 797,313.42 and 323,117.52 is: 445,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,765.32 : 797,313.42 = 323,117.52 : x
  2. Step 2: Convert to fraction form
    577,765.32/797,313.42 = 323,117.52/x
  3. Step 3: Cross multiply
    577,765.32x = 797,313.42 × 323,117.52
  4. Step 4: Simplify right side
    577,765.32x = 257,625,934,933.12
  5. Step 5: Solve for x
    x = 257,625,934,933.12/577,765.32
  6. Step 6: Final answer
    x = 445,900.66

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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.