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Finding the Fourth Proportional to 571,588.44, 788,765.34 and 329,948.87

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Solution

The fourth proportional to 571,588.44, 788,765.34 and 329,948.87 is: 455,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,588.44 : 788,765.34 = 329,948.87 : x
  2. Step 2: Convert to fraction form
    571,588.44/788,765.34 = 329,948.87/x
  3. Step 3: Cross multiply
    571,588.44x = 788,765.34 × 329,948.87
  4. Step 4: Simplify right side
    571,588.44x = 260,252,228,684.34
  5. Step 5: Solve for x
    x = 260,252,228,684.34/571,588.44
  6. Step 6: Final answer
    x = 455,314.02

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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.