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Finding the Fourth Proportional to 400,064.60, 600,096.90 and 370,904.60

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Solution

The fourth proportional to 400,064.60, 600,096.90 and 370,904.60 is: 556,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,064.60 : 600,096.90 = 370,904.60 : x
  2. Step 2: Convert to fraction form
    400,064.60/600,096.90 = 370,904.60/x
  3. Step 3: Cross multiply
    400,064.60x = 600,096.90 × 370,904.60
  4. Step 4: Simplify right side
    400,064.60x = 222,578,700,655.74
  5. Step 5: Solve for x
    x = 222,578,700,655.74/400,064.60
  6. Step 6: Final answer
    x = 556,356.90

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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.