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Finding the Fourth Proportional to 571,083.33, 788,095.92 and 312,919.26

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Solution

The fourth proportional to 571,083.33, 788,095.92 and 312,919.26 is: 431,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,083.33 : 788,095.92 = 312,919.26 : x
  2. Step 2: Convert to fraction form
    571,083.33/788,095.92 = 312,919.26/x
  3. Step 3: Cross multiply
    571,083.33x = 788,095.92 × 312,919.26
  4. Step 4: Simplify right side
    571,083.33x = 246,610,392,095.42
  5. Step 5: Solve for x
    x = 246,610,392,095.42/571,083.33
  6. Step 6: Final answer
    x = 431,829.09

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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.