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Finding the Fourth Proportional to 691,990.67, 954,584.52 and 601,142.69

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Solution

The fourth proportional to 691,990.67, 954,584.52 and 601,142.69 is: 829,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,990.67 : 954,584.52 = 601,142.69 : x
  2. Step 2: Convert to fraction form
    691,990.67/954,584.52 = 601,142.69/x
  3. Step 3: Cross multiply
    691,990.67x = 954,584.52 × 601,142.69
  4. Step 4: Simplify right side
    691,990.67x = 573,841,506,185.16
  5. Step 5: Solve for x
    x = 573,841,506,185.16/691,990.67
  6. Step 6: Final answer
    x = 829,261.91

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Double scale
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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.