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Finding the Fourth Proportional to 601,491.33, 830,057.76 and 359,830.66

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Solution

The fourth proportional to 601,491.33, 830,057.76 and 359,830.66 is: 496,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,491.33 : 830,057.76 = 359,830.66 : x
  2. Step 2: Convert to fraction form
    601,491.33/830,057.76 = 359,830.66/x
  3. Step 3: Cross multiply
    601,491.33x = 830,057.76 × 359,830.66
  4. Step 4: Simplify right side
    601,491.33x = 298,680,231,618.92
  5. Step 5: Solve for x
    x = 298,680,231,618.92/601,491.33
  6. Step 6: Final answer
    x = 496,566.15

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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.