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Finding the Fourth Proportional to 605,738.70, 907,830.45 and 464,798.70

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Solution

The fourth proportional to 605,738.70, 907,830.45 and 464,798.70 is: 696,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,738.70 : 907,830.45 = 464,798.70 : x
  2. Step 2: Convert to fraction form
    605,738.70/907,830.45 = 464,798.70/x
  3. Step 3: Cross multiply
    605,738.70x = 907,830.45 × 464,798.70
  4. Step 4: Simplify right side
    605,738.70x = 421,958,412,980.42
  5. Step 5: Solve for x
    x = 421,958,412,980.42/605,738.70
  6. Step 6: Final answer
    x = 696,601.38

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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.