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Finding the Fourth Proportional to 571,249.92, 788,323.24 and 316,601.12

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Solution

The fourth proportional to 571,249.92, 788,323.24 and 316,601.12 is: 436,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,249.92 : 788,323.24 = 316,601.12 : x
  2. Step 2: Convert to fraction form
    571,249.92/788,323.24 = 316,601.12/x
  3. Step 3: Cross multiply
    571,249.92x = 788,323.24 × 316,601.12
  4. Step 4: Simplify right side
    571,249.92x = 249,584,020,706.03
  5. Step 5: Solve for x
    x = 249,584,020,706.03/571,249.92
  6. Step 6: Final answer
    x = 436,908.63

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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.