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Finding the Fourth Proportional to 348,536.40, 522,804.60 and 310,482.60

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Solution

The fourth proportional to 348,536.40, 522,804.60 and 310,482.60 is: 465,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,536.40 : 522,804.60 = 310,482.60 : x
  2. Step 2: Convert to fraction form
    348,536.40/522,804.60 = 310,482.60/x
  3. Step 3: Cross multiply
    348,536.40x = 522,804.60 × 310,482.60
  4. Step 4: Simplify right side
    348,536.40x = 162,321,731,499.96
  5. Step 5: Solve for x
    x = 162,321,731,499.96/348,536.40
  6. Step 6: Final answer
    x = 465,723.90

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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.