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Finding the Fourth Proportional to 598,816.60, 898,224.90 and 520,084.60

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Solution

The fourth proportional to 598,816.60, 898,224.90 and 520,084.60 is: 780,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,816.60 : 898,224.90 = 520,084.60 : x
  2. Step 2: Convert to fraction form
    598,816.60/898,224.90 = 520,084.60/x
  3. Step 3: Cross multiply
    598,816.60x = 898,224.90 × 520,084.60
  4. Step 4: Simplify right side
    598,816.60x = 467,152,937,826.54
  5. Step 5: Solve for x
    x = 467,152,937,826.54/598,816.60
  6. Step 6: Final answer
    x = 780,126.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.