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Finding the Fourth Proportional to 506,611.32, 759,636.18 and 207,301.74

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Solution

The fourth proportional to 506,611.32, 759,636.18 and 207,301.74 is: 310,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,611.32 : 759,636.18 = 207,301.74 : x
  2. Step 2: Convert to fraction form
    506,611.32/759,636.18 = 207,301.74/x
  3. Step 3: Cross multiply
    506,611.32x = 759,636.18 × 207,301.74
  4. Step 4: Simplify right side
    506,611.32x = 157,473,901,880.95
  5. Step 5: Solve for x
    x = 157,473,901,880.95/506,611.32
  6. Step 6: Final answer
    x = 310,837.71

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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.