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Finding the Fourth Proportional to 370,234.80, 519,509.70 and 370,234.80

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Solution

The fourth proportional to 370,234.80, 519,509.70 and 370,234.80 is: 519,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,234.80 : 519,509.70 = 370,234.80 : x
  2. Step 2: Convert to fraction form
    370,234.80/519,509.70 = 370,234.80/x
  3. Step 3: Cross multiply
    370,234.80x = 519,509.70 × 370,234.80
  4. Step 4: Simplify right side
    370,234.80x = 192,340,569,877.56
  5. Step 5: Solve for x
    x = 192,340,569,877.56/370,234.80
  6. Step 6: Final answer
    x = 519,509.70

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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.