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Finding the Fourth Proportional to 545,693.18, 818,501.64 and 204,071.59

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Solution

The fourth proportional to 545,693.18, 818,501.64 and 204,071.59 is: 306,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,693.18 : 818,501.64 = 204,071.59 : x
  2. Step 2: Convert to fraction form
    545,693.18/818,501.64 = 204,071.59/x
  3. Step 3: Cross multiply
    545,693.18x = 818,501.64 × 204,071.59
  4. Step 4: Simplify right side
    545,693.18x = 167,032,931,092.41
  5. Step 5: Solve for x
    x = 167,032,931,092.41/545,693.18
  6. Step 6: Final answer
    x = 306,093.13

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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.