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Finding the Fourth Proportional to 527,384.50, 790,757.80 and 207,153.02

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Solution

The fourth proportional to 527,384.50, 790,757.80 and 207,153.02 is: 310,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,384.50 : 790,757.80 = 207,153.02 : x
  2. Step 2: Convert to fraction form
    527,384.50/790,757.80 = 207,153.02/x
  3. Step 3: Cross multiply
    527,384.50x = 790,757.80 × 207,153.02
  4. Step 4: Simplify right side
    527,384.50x = 163,807,866,358.56
  5. Step 5: Solve for x
    x = 163,807,866,358.56/527,384.50
  6. Step 6: Final answer
    x = 310,604.25

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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.