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Finding the Fourth Proportional to 675,293.32, 930,992.81 and 433,155.52

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Solution

The fourth proportional to 675,293.32, 930,992.81 and 433,155.52 is: 597,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,293.32 : 930,992.81 = 433,155.52 : x
  2. Step 2: Convert to fraction form
    675,293.32/930,992.81 = 433,155.52/x
  3. Step 3: Cross multiply
    675,293.32x = 930,992.81 × 433,155.52
  4. Step 4: Simplify right side
    675,293.32x = 403,264,667,911.07
  5. Step 5: Solve for x
    x = 403,264,667,911.07/675,293.32
  6. Step 6: Final answer
    x = 597,169.64

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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.