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Finding the Fourth Proportional to 611,232.48, 916,849.08 and 211,873.32

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Solution

The fourth proportional to 611,232.48, 916,849.08 and 211,873.32 is: 317,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,232.48 : 916,849.08 = 211,873.32 : x
  2. Step 2: Convert to fraction form
    611,232.48/916,849.08 = 211,873.32/x
  3. Step 3: Cross multiply
    611,232.48x = 916,849.08 × 211,873.32
  4. Step 4: Simplify right side
    611,232.48x = 194,255,858,518.55
  5. Step 5: Solve for x
    x = 194,255,858,518.55/611,232.48
  6. Step 6: Final answer
    x = 317,810.10

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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.