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Finding the Fourth Proportional to 529,244.40, 730,304.58 and 299,755.89

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Solution

The fourth proportional to 529,244.40, 730,304.58 and 299,755.89 is: 413,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,244.40 : 730,304.58 = 299,755.89 : x
  2. Step 2: Convert to fraction form
    529,244.40/730,304.58 = 299,755.89/x
  3. Step 3: Cross multiply
    529,244.40x = 730,304.58 × 299,755.89
  4. Step 4: Simplify right side
    529,244.40x = 218,913,094,198.67
  5. Step 5: Solve for x
    x = 218,913,094,198.67/529,244.40
  6. Step 6: Final answer
    x = 413,633.27

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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.