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Finding the Fourth Proportional to 518,252.54, 714,944.04 and 303,259.50

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Solution

The fourth proportional to 518,252.54, 714,944.04 and 303,259.50 is: 418,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,252.54 : 714,944.04 = 303,259.50 : x
  2. Step 2: Convert to fraction form
    518,252.54/714,944.04 = 303,259.50/x
  3. Step 3: Cross multiply
    518,252.54x = 714,944.04 × 303,259.50
  4. Step 4: Simplify right side
    518,252.54x = 216,813,570,961.16
  5. Step 5: Solve for x
    x = 216,813,570,961.16/518,252.54
  6. Step 6: Final answer
    x = 418,355.06

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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.