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Finding the Fourth Proportional to 571,577.29, 788,704.16 and 313,386.29

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Solution

The fourth proportional to 571,577.29, 788,704.16 and 313,386.29 is: 432,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,577.29 : 788,704.16 = 313,386.29 : x
  2. Step 2: Convert to fraction form
    571,577.29/788,704.16 = 313,386.29/x
  3. Step 3: Cross multiply
    571,577.29x = 788,704.16 × 313,386.29
  4. Step 4: Simplify right side
    571,577.29x = 247,169,070,609.97
  5. Step 5: Solve for x
    x = 247,169,070,609.97/571,577.29
  6. Step 6: Final answer
    x = 432,433.33

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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.