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Finding the Fourth Proportional to 527,095.77, 790,968.98 and 207,191.67

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Solution

The fourth proportional to 527,095.77, 790,968.98 and 207,191.67 is: 310,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,095.77 : 790,968.98 = 207,191.67 : x
  2. Step 2: Convert to fraction form
    527,095.77/790,968.98 = 207,191.67/x
  3. Step 3: Cross multiply
    527,095.77x = 790,968.98 × 207,191.67
  4. Step 4: Simplify right side
    527,095.77x = 163,882,183,884.40
  5. Step 5: Solve for x
    x = 163,882,183,884.40/527,095.77
  6. Step 6: Final answer
    x = 310,915.38

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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.