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Finding the Fourth Proportional to 529,991.24, 731,321.64 and 358,282.71

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Solution

The fourth proportional to 529,991.24, 731,321.64 and 358,282.71 is: 494,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,991.24 : 731,321.64 = 358,282.71 : x
  2. Step 2: Convert to fraction form
    529,991.24/731,321.64 = 358,282.71/x
  3. Step 3: Cross multiply
    529,991.24x = 731,321.64 × 358,282.71
  4. Step 4: Simplify right side
    529,991.24x = 262,019,899,060.84
  5. Step 5: Solve for x
    x = 262,019,899,060.84/529,991.24
  6. Step 6: Final answer
    x = 494,385.34

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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.