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Finding the Fourth Proportional to 598,785.60, 898,178.40 and 520,053.60

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Solution

The fourth proportional to 598,785.60, 898,178.40 and 520,053.60 is: 780,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,785.60 : 898,178.40 = 520,053.60 : x
  2. Step 2: Convert to fraction form
    598,785.60/898,178.40 = 520,053.60/x
  3. Step 3: Cross multiply
    598,785.60x = 898,178.40 × 520,053.60
  4. Step 4: Simplify right side
    598,785.60x = 467,100,910,362.24
  5. Step 5: Solve for x
    x = 467,100,910,362.24/598,785.60
  6. Step 6: Final answer
    x = 780,080.40

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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.