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Finding the Fourth Proportional to 527,075.02, 727,363.83 and 285,357.66

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Solution

The fourth proportional to 527,075.02, 727,363.83 and 285,357.66 is: 393,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,075.02 : 727,363.83 = 285,357.66 : x
  2. Step 2: Convert to fraction form
    527,075.02/727,363.83 = 285,357.66/x
  3. Step 3: Cross multiply
    527,075.02x = 727,363.83 × 285,357.66
  4. Step 4: Simplify right side
    527,075.02x = 207,558,840,497.44
  5. Step 5: Solve for x
    x = 207,558,840,497.44/527,075.02
  6. Step 6: Final answer
    x = 393,793.73

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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.