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Finding the Fourth Proportional to 400,830.60, 601,245.97 and 101,312.04

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Solution

The fourth proportional to 400,830.60, 601,245.97 and 101,312.04 is: 151,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,830.60 : 601,245.97 = 101,312.04 : x
  2. Step 2: Convert to fraction form
    400,830.60/601,245.97 = 101,312.04/x
  3. Step 3: Cross multiply
    400,830.60x = 601,245.97 × 101,312.04
  4. Step 4: Simplify right side
    400,830.60x = 60,913,455,509.20
  5. Step 5: Solve for x
    x = 60,913,455,509.20/400,830.60
  6. Step 6: Final answer
    x = 151,968.08

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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.