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Finding the Fourth Proportional to 571,446.59, 788,615.48 and 316,782.59

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Solution

The fourth proportional to 571,446.59, 788,615.48 and 316,782.59 is: 437,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,446.59 : 788,615.48 = 316,782.59 : x
  2. Step 2: Convert to fraction form
    571,446.59/788,615.48 = 316,782.59/x
  3. Step 3: Cross multiply
    571,446.59x = 788,615.48 × 316,782.59
  4. Step 4: Simplify right side
    571,446.59x = 249,819,652,684.58
  5. Step 5: Solve for x
    x = 249,819,652,684.58/571,446.59
  6. Step 6: Final answer
    x = 437,170.61

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Double scale
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Similar ratio
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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.