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Finding the Fourth Proportional to 607,593.90, 911,412.72 and 228,479.88

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Solution

The fourth proportional to 607,593.90, 911,412.72 and 228,479.88 is: 342,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,593.90 : 911,412.72 = 228,479.88 : x
  2. Step 2: Convert to fraction form
    607,593.90/911,412.72 = 228,479.88/x
  3. Step 3: Cross multiply
    607,593.90x = 911,412.72 × 228,479.88
  4. Step 4: Simplify right side
    607,593.90x = 208,239,468,896.07
  5. Step 5: Solve for x
    x = 208,239,468,896.07/607,593.90
  6. Step 6: Final answer
    x = 342,728.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.