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Finding the Fourth Proportional to 601,951.62, 830,671.17 and 330,013.53

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Solution

The fourth proportional to 601,951.62, 830,671.17 and 330,013.53 is: 455,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,951.62 : 830,671.17 = 330,013.53 : x
  2. Step 2: Convert to fraction form
    601,951.62/830,671.17 = 330,013.53/x
  3. Step 3: Cross multiply
    601,951.62x = 830,671.17 × 330,013.53
  4. Step 4: Simplify right side
    601,951.62x = 274,132,725,080.93
  5. Step 5: Solve for x
    x = 274,132,725,080.93/601,951.62
  6. Step 6: Final answer
    x = 455,406.57

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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.