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Finding the Fourth Proportional to 607,592.80, 910,951.80 and 341,434.90

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Solution

The fourth proportional to 607,592.80, 910,951.80 and 341,434.90 is: 511,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,592.80 : 910,951.80 = 341,434.90 : x
  2. Step 2: Convert to fraction form
    607,592.80/910,951.80 = 341,434.90/x
  3. Step 3: Cross multiply
    607,592.80x = 910,951.80 × 341,434.90
  4. Step 4: Simplify right side
    607,592.80x = 311,030,736,737.82
  5. Step 5: Solve for x
    x = 311,030,736,737.82/607,592.80
  6. Step 6: Final answer
    x = 511,906.55

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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.