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Finding the Fourth Proportional to 500,659.40, 751,482.48 and 356,725.10

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Solution

The fourth proportional to 500,659.40, 751,482.48 and 356,725.10 is: 535,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,659.40 : 751,482.48 = 356,725.10 : x
  2. Step 2: Convert to fraction form
    500,659.40/751,482.48 = 356,725.10/x
  3. Step 3: Cross multiply
    500,659.40x = 751,482.48 × 356,725.10
  4. Step 4: Simplify right side
    500,659.40x = 268,072,662,826.25
  5. Step 5: Solve for x
    x = 268,072,662,826.25/500,659.40
  6. Step 6: Final answer
    x = 535,439.19

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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.