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Finding the Fourth Proportional to 584,891.64, 807,111.90 and 339,854.76

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Solution

The fourth proportional to 584,891.64, 807,111.90 and 339,854.76 is: 468,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,891.64 : 807,111.90 = 339,854.76 : x
  2. Step 2: Convert to fraction form
    584,891.64/807,111.90 = 339,854.76/x
  3. Step 3: Cross multiply
    584,891.64x = 807,111.90 × 339,854.76
  4. Step 4: Simplify right side
    584,891.64x = 274,300,821,067.64
  5. Step 5: Solve for x
    x = 274,300,821,067.64/584,891.64
  6. Step 6: Final answer
    x = 468,977.16

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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.