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Finding the Fourth Proportional to 376,572.16, 519,544.44 and 223,657.12

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Solution

The fourth proportional to 376,572.16, 519,544.44 and 223,657.12 is: 308,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,572.16 : 519,544.44 = 223,657.12 : x
  2. Step 2: Convert to fraction form
    376,572.16/519,544.44 = 223,657.12/x
  3. Step 3: Cross multiply
    376,572.16x = 519,544.44 × 223,657.12
  4. Step 4: Simplify right side
    376,572.16x = 116,199,813,162.41
  5. Step 5: Solve for x
    x = 116,199,813,162.41/376,572.16
  6. Step 6: Final answer
    x = 308,572.50

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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.