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Finding the Fourth Proportional to 527,094.39, 790,966.91 and 207,190.28

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Solution

The fourth proportional to 527,094.39, 790,966.91 and 207,190.28 is: 310,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,094.39 : 790,966.91 = 207,190.28 : x
  2. Step 2: Convert to fraction form
    527,094.39/790,966.91 = 207,190.28/x
  3. Step 3: Cross multiply
    527,094.39x = 790,966.91 × 207,190.28
  4. Step 4: Simplify right side
    527,094.39x = 163,880,656,495.10
  5. Step 5: Solve for x
    x = 163,880,656,495.10/527,094.39
  6. Step 6: Final answer
    x = 310,913.30

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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.