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Finding the Fourth Proportional to 355,706.51, 533,560.66 and 145,344.44

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Solution

The fourth proportional to 355,706.51, 533,560.66 and 145,344.44 is: 218,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,706.51 : 533,560.66 = 145,344.44 : x
  2. Step 2: Convert to fraction form
    355,706.51/533,560.66 = 145,344.44/x
  3. Step 3: Cross multiply
    355,706.51x = 533,560.66 × 145,344.44
  4. Step 4: Simplify right side
    355,706.51x = 77,550,076,304.27
  5. Step 5: Solve for x
    x = 77,550,076,304.27/355,706.51
  6. Step 6: Final answer
    x = 218,017.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.