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Finding the Fourth Proportional to 545,056, 817,630.08 and 151,072

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Solution

The fourth proportional to 545,056, 817,630.08 and 151,072 is: 226,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,056 : 817,630.08 = 151,072 : x
  2. Step 2: Convert to fraction form
    545,056/817,630.08 = 151,072/x
  3. Step 3: Cross multiply
    545,056x = 817,630.08 × 151,072
  4. Step 4: Simplify right side
    545,056x = 123,521,011,445.76
  5. Step 5: Solve for x
    x = 123,521,011,445.76/545,056
  6. Step 6: Final answer
    x = 226,620.77

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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.