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Finding the Fourth Proportional to 370,216.80, 519,484.50 and 370,216.80

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Solution

The fourth proportional to 370,216.80, 519,484.50 and 370,216.80 is: 519,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,216.80 : 519,484.50 = 370,216.80 : x
  2. Step 2: Convert to fraction form
    370,216.80/519,484.50 = 370,216.80/x
  3. Step 3: Cross multiply
    370,216.80x = 519,484.50 × 370,216.80
  4. Step 4: Simplify right side
    370,216.80x = 192,321,889,239.60
  5. Step 5: Solve for x
    x = 192,321,889,239.60/370,216.80
  6. Step 6: Final answer
    x = 519,484.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.