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Finding the Fourth Proportional to 415,247.34, 573,003.72 and 233,988.78

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Solution

The fourth proportional to 415,247.34, 573,003.72 and 233,988.78 is: 322,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,247.34 : 573,003.72 = 233,988.78 : x
  2. Step 2: Convert to fraction form
    415,247.34/573,003.72 = 233,988.78/x
  3. Step 3: Cross multiply
    415,247.34x = 573,003.72 × 233,988.78
  4. Step 4: Simplify right side
    415,247.34x = 134,076,441,378.26
  5. Step 5: Solve for x
    x = 134,076,441,378.26/415,247.34
  6. Step 6: Final answer
    x = 322,883.32

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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.