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Finding the Fourth Proportional to 270,948, 373,908.24 and 151,716

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Solution

The fourth proportional to 270,948, 373,908.24 and 151,716 is: 209,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,948 : 373,908.24 = 151,716 : x
  2. Step 2: Convert to fraction form
    270,948/373,908.24 = 151,716/x
  3. Step 3: Cross multiply
    270,948x = 373,908.24 × 151,716
  4. Step 4: Simplify right side
    270,948x = 56,727,862,539.84
  5. Step 5: Solve for x
    x = 56,727,862,539.84/270,948
  6. Step 6: Final answer
    x = 209,368.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.