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Finding the Fourth Proportional to 529,614.06, 730,689.51 and 300,153.33

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Solution

The fourth proportional to 529,614.06, 730,689.51 and 300,153.33 is: 414,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,614.06 : 730,689.51 = 300,153.33 : x
  2. Step 2: Convert to fraction form
    529,614.06/730,689.51 = 300,153.33/x
  3. Step 3: Cross multiply
    529,614.06x = 730,689.51 × 300,153.33
  4. Step 4: Simplify right side
    529,614.06x = 219,318,894,041.78
  5. Step 5: Solve for x
    x = 219,318,894,041.78/529,614.06
  6. Step 6: Final answer
    x = 414,110.79

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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.