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Finding the Fourth Proportional to 659,027.58, 909,479.58 and 364,680.69

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Solution

The fourth proportional to 659,027.58, 909,479.58 and 364,680.69 is: 503,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,027.58 : 909,479.58 = 364,680.69 : x
  2. Step 2: Convert to fraction form
    659,027.58/909,479.58 = 364,680.69/x
  3. Step 3: Cross multiply
    659,027.58x = 909,479.58 × 364,680.69
  4. Step 4: Simplify right side
    659,027.58x = 331,669,640,775.31
  5. Step 5: Solve for x
    x = 331,669,640,775.31/659,027.58
  6. Step 6: Final answer
    x = 503,271.26

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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.